Free Logic Tools

Explore our collection of logic-based tools. Share any tool directly using its unique link.

Free ForeverShareable LinksNo Login Required

API Access for AI Systems

Programmatic access to all tool metadata

/api/tools.json
Showing all 57 tools

Research Design Tools Comparison

Choose the right tool for planning your research methodology and design

1

Research Methodology Selector

Beginner
Best For:

Selecting qualitative, quantitative, or mixed methods approaches

Key Features:
  • Interactive questionnaire
  • Personalized methodology recommendations
  • Comparison of different approaches
  • Export results as PDF
Time Required:
10-15 min
Export Formats:
PDFText
Try This Tool
2

Sampling Technique Selector

Beginner
Best For:

Choosing appropriate sampling methods for your study

Key Features:
  • Probability & non-probability methods
  • Sample size guidance
  • Strategy recommendations
  • Visual decision tree
Time Required:
5-10 min
Export Formats:
PDFText
Try This Tool
3

Research Question Builder

Intermediate
Best For:

Developing and refining research questions using FINER criteria

Key Features:
  • FINER criteria assessment
  • PICOT framework support
  • Version tracking
  • Sub-question management
Time Required:
15-20 min
Export Formats:
JSONText
Try This Tool

Not sure which tool to choose?

Consider your experience level, available time, and specific needs. All tools are free and don't require login. You can try multiple tools to find the best fit for your research workflow.

Statistical & Data Analysis Tools

Find the right tool for your data analysis and statistical needs

1

Statistical Selector Tool

Intermediate
Best For:

Selecting the appropriate statistical test for your data

Key Features:
  • Test selection wizard
  • Assumptions checking
  • t-test, ANOVA, regression guidance
  • Interpretation help
Time Required:
10-15 min
Export Formats:
PDFText
Try This Tool
2

Power Analysis Calculator

Advanced
Best For:

Calculating required sample size for statistical significance

Key Features:
  • Multiple test types
  • Effect size estimation
  • Power calculation
  • Sample size recommendations
Time Required:
15-20 min
Export Formats:
PDFCSV
Try This Tool
3

Data Visualization Selector

Beginner
Best For:

Choosing the best chart type for your data presentation

Key Features:
  • Interactive chart selection
  • Best practice recommendations
  • Chart type comparison
  • Visual examples
Time Required:
5-10 min
Export Formats:
PDF
Try This Tool
4

Effect Size Calculator

Advanced
Best For:

Calculating effect sizes for research findings

Key Features:
  • Cohen's d, Hedges' g, η²
  • Interpretation guidelines
  • Multiple effect size metrics
  • Export results
Time Required:
10-15 min
Export Formats:
PDFCSV
Try This Tool

Not sure which tool to choose?

Consider your experience level, available time, and specific needs. All tools are free and don't require login. You can try multiple tools to find the best fit for your research workflow.

Qualitative Research Tools

Compare tools for qualitative data collection and analysis

1

Qualitative Codebook Creator

Intermediate
Best For:

Organizing codes and themes with inter-rater reliability

Key Features:
  • Code organization
  • Cohen's Kappa calculation
  • Theme development
  • Export to CSV/JSON
Time Required:
20-30 min
Export Formats:
CSVJSON
Try This Tool
2

Interview Protocol Generator

Beginner
Best For:

Designing semi-structured interview protocols

Key Features:
  • Protocol templates
  • Question structuring
  • Time estimates
  • Probe suggestions
Time Required:
15-20 min
Export Formats:
PDFText
Try This Tool
3

Focus Group Guide Generator

Beginner
Best For:

Creating moderator guides for focus groups

Key Features:
  • Discussion topics
  • Group activities
  • Time management
  • Moderator tips
Time Required:
15-20 min
Export Formats:
PDFText
Try This Tool
4

Field Notes Organizer

Intermediate
Best For:

Structuring ethnographic observations and field notes

Key Features:
  • Descriptive & reflective notes
  • Participant tracking
  • Event documentation
  • Search functionality
Time Required:
30+ min
Export Formats:
JSONText
Try This Tool

Not sure which tool to choose?

Consider your experience level, available time, and specific needs. All tools are free and don't require login. You can try multiple tools to find the best fit for your research workflow.

Academic Writing & Publishing Tools

Tools to help you write, format, and prepare manuscripts for publication

1

Abstract Generator

Beginner
Best For:

Creating structured abstracts for journal submissions

Key Features:
  • Structured/unstructured formats
  • Word count tracking
  • Journal requirements
  • Multiple abstract versions
Time Required:
15-20 min
Export Formats:
Text
Try This Tool
2

Literature Review Matrix

Intermediate
Best For:

Systematically organizing research studies for comparison

Key Features:
  • Study comparison table
  • Quality assessment
  • Filtering & sorting
  • Publication-ready tables
Time Required:
30+ min
Export Formats:
CSVJSON
Try This Tool
3

Reference Manager

Beginner
Best For:

Managing citations in multiple formats (APA, MLA, Chicago)

Key Features:
  • Multiple citation styles
  • Bibliography generation
  • Reference organization
  • Instant export
Time Required:
10-15 min
Export Formats:
Text
Try This Tool
4

Publication Readiness Checklist

Beginner
Best For:

Ensuring manuscript completeness before submission

Key Features:
  • 47 checklist items
  • Category organization
  • Progress tracking
  • Export functionality
Time Required:
10-15 min
Export Formats:
PDFJSON
Try This Tool

Not sure which tool to choose?

Consider your experience level, available time, and specific needs. All tools are free and don't require login. You can try multiple tools to find the best fit for your research workflow.

Dissertation & Thesis Tools

Comprehensive tools for graduate students working on dissertations

1

Dissertation Ideation Tool

Intermediate
Best For:

Refining dissertation topics through interactive flowchart

Key Features:
  • Methodology-specific paths
  • Discipline examples
  • Flowchart visualization
  • Export to PDF/JSON
Time Required:
30-45 min
Export Formats:
PDFJSON
Try This Tool
2

Dissertation Chapter Planner

Beginner
Best For:

Planning chapters with word counts and deadlines

Key Features:
  • Chapter organization
  • Progress tracking
  • Deadline management
  • Visual progress bars
Time Required:
15-20 min
Export Formats:
JSONText
Try This Tool
3

Dissertation Defense Prep

Intermediate
Best For:

Preparing for your dissertation defense

Key Features:
  • Committee tracking
  • Practice session logging
  • Anticipated questions
  • Comprehensive checklist
Time Required:
20-30 min
Export Formats:
PDFJSON
Try This Tool

Not sure which tool to choose?

Consider your experience level, available time, and specific needs. All tools are free and don't require login. You can try multiple tools to find the best fit for your research workflow.

Browse All Tools by Category

Explore our complete collection of 57 free research tools

🔬

research Tools

(54)

Research Methodology Selector

This tool helps you select the most relevant methodology for your research project.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-methodology-selector

Sampling Technique Selector

This tool helps you choose the most appropriate sampling method for your research study.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/sampling-technique-selector

Statistical Selector Tool

This tool helps you choose the most appropriate statistical analysis for your research proposal.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/statistical-selector-tool

Hypothesis Generator

Generate properly formatted null and alternative hypotheses for your research with step-by-step guidance.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/hypothesis-generator

Research Ethics Compliance

Comprehensive tool for assessing research ethics compliance and generating IRB documentation for your research projects.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-ethics-compliance

Variable Type Identifier

Intelligent data analyzer that detects types, patterns, and quality issues in your datasets while generating schemas for multiple platforms.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/variable-type

Reliability & Validity Checker

Comprehensive psychometric analyzer that calculates reliability metrics, validates measurement instruments, and assesses data quality for research scales and surveys.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/reliability-and-validity

Data Visualization Selector

Interactive tool that helps researchers choose the perfect visualization for their data through guided questions, comprehensive chart comparisons, and best practice recommendations for effective data presentation.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/data-visualization

Power Analysis Calculator

Statistical power analysis tool that calculates the exact sample size needed for research studies to achieve statistical significance and ensure generalizability across multiple test types.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/power-analysis

Survey Design Builder

Create professional surveys with 12+ question types, validation rules, and export capabilities. Features Likert scales, multiple choice, rating scales, and more. Perfect for research, customer feedback, and healthcare assessments.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/survey-design-builder

Qualitative Codebook Creator

Organize qualitative research codes, themes, and example quotes. Calculate inter-rater reliability (Cohen's Kappa) for your coding scheme. Export to CSV/JSON for analysis and documentation.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/qualitative-codebook

Concept Tree Builder

Create hierarchical concept maps for research projects. Build visual tree structures with parent-child relationships, color coding, and categories. Perfect for organizing research frameworks, theoretical models, and literature themes.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/concept-tree-builder

Research Timeline Generator

Plan and visualize your research project timeline with Gantt chart view. Create tasks, set milestones, track progress, and export to CSV/JSON. Perfect for dissertations, grant proposals, and project management.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-timeline

Data Collection Tracker

Track research participants, data collection sessions, and monitor completion rates. Perfect for surveys, interviews, experiments, and clinical studies. Monitor progress toward sample size goals.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/data-collection-tracker

Reference Manager

Organize research references and generate citations in APA, MLA, Chicago, and Harvard formats. Manage multiple reference types including journal articles, books, theses, and web sources. Export bibliographies instantly.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/reference-manager

Interview Protocol Generator

Design professional qualitative interview protocols with structured sections, multiple question types, and time estimates. Perfect for semi-structured interviews, case studies, and phenomenological research.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/interview-protocol

Focus Group Guide Generator

Create professional focus group moderator guides with discussion topics, prompts, group activities, and time management. Perfect for qualitative research, market research, and community engagement.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/focus-group-guide

Consent Form Generator

Create IRB-compliant informed consent documents for research studies. Include all required elements: procedures, risks, benefits, confidentiality, and participant rights. Export to formatted text for easy editing.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/consent-form-generator

Codebook Generator

Build comprehensive qualitative research codebooks with hierarchical codes, themes, and examples. Organize codes by type (descriptive, interpretive, pattern, in-vivo), manage parent-child relationships, and export structured codebooks for analysis.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/codebook-generator

Field Notes Organizer

Organize ethnographic field notes and observations with structured note-taking. Document descriptive, reflective, theoretical, and methodological notes. Track participants, events, and questions for comprehensive fieldwork documentation.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/field-notes-organizer

Research Question Builder

Develop and refine research questions with FINER criteria assessment. Evaluate feasibility, novelty, and relevance. Track versions, sub-questions, and use PICOT framework for clinical research. Perfect for proposal development.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-question-builder

Theoretical Framework Builder

Build comprehensive theoretical frameworks with theories, constructs, and relationships. Map theoretical foundations, define variables, establish relationships, and develop propositions. Export structured frameworks for dissertations and proposals.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/theoretical-framework-builder

Data Analysis Plan Generator

Create comprehensive data analysis plans for quantitative, qualitative, and mixed methods research. Define variables, measurement levels, research questions, analysis steps, and time estimates. Perfect for dissertations, research proposals, and grant applications.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/data-analysis-plan-generator

Peer Review Response Generator

Organize reviewer comments and generate professional responses for manuscript revisions. Track major/minor comments, document changes, manage multiple reviewers, and export publication-ready response documents. Perfect for journal submissions and manuscript revisions.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/peer-review-response-generator

Abstract Generator

Create professional structured and unstructured abstracts for journal submissions. Configure journal requirements, track word counts, manage multiple abstracts, and export publication-ready formats. Perfect for manuscript preparation and conference submissions.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/abstract-generator

Mixed Methods Integration Tool

Integrate quantitative and qualitative research components for mixed methods studies. Manage convergent, sequential, and embedded designs. Track integration points, synthesis findings, and generate comprehensive mixed methods reports.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/mixed-methods-integration-tool

Journal Submission Tracker

Track manuscript submissions, peer review status, and publication progress. Manage multiple journal submissions, timelines, acceptance rates, and export submission records.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/journal-submission-tracker

Research Budget Calculator

Calculate research budgets with personnel, equipment, supplies, travel, and participant costs. Track direct and indirect costs, export detailed budget reports.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-budget-calculator

Writing Progress Tracker

Track academic writing progress with word count goals, writing sessions, and productivity metrics. Monitor daily progress toward dissertation, thesis, or article completion.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/writing-progress-tracker

Citation Network Visualizer

Map and analyze citation relationships in your literature review. Visualize paper networks, identify key seminal works, track citation patterns, and export network data for analysis.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/citation-network-visualizer

Grant Application Manager

Track and manage research grant applications, deadlines, and submissions. Monitor documents, tasks, success rates, and funding amounts across multiple grant opportunities.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/grant-application-manager

Research Ethics Checklist

Comprehensive ethics compliance checklist covering informed consent, confidentiality, risk assessment, vulnerable populations, IRB requirements, and cultural sensitivity. Track progress and ensure IRB readiness.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-ethics-checklist

Qualitative Memo Writing Tool

Document analytical insights, methodological decisions, and theoretical connections throughout qualitative research. Create analytical, theoretical, reflective, and code memos with tags and linking to data sources.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/qualitative-memo-writing-tool

Reliability Calculator

Calculate reliability metrics for research instruments: Cronbach's Alpha, test-retest reliability, inter-rater reliability, split-half reliability, and KR-20. Includes interpretation guidelines and export functionality.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/reliability-calculator

Effect Size Calculator

Calculate effect sizes for research findings: Cohen's d, Hedges' g, Glass's Δ, η², ω², Cohen's f, Pearson r, odds ratio, and Cohen's w. Includes interpretation guidelines.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/effect-size-calculator

Research Proposal Outline Generator

Structure your research proposal with pre-defined sections for dissertation, thesis, grant, or IRB proposals. Track word counts, section completion, and export to text or JSON.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-proposal-outline-generator

Dissertation Chapter Planner

Plan and track dissertation chapters with sections, word counts, deadlines, and status tracking. Includes progress visualization and export functionality.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/dissertation-chapter-planner

Academic CV Builder

Build and manage your academic curriculum vitae with sections for education, positions, publications, awards, teaching, and service. Export to text format.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/academic-cv-builder

Research Poster Designer

Plan and organize your academic conference poster content with customizable sections, color schemes, and preview. Includes design tips and export functionality.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-poster-designer

Conference Presentation Planner

Plan conference presentations with slide outlines, speaker notes, and practice tracking. Includes presentation tips and timing guidance.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/conference-presentation-planner

Research Collaboration Manager

Coordinate research teams with collaborator tracking, task management, and meeting notes. Organize team members, assign tasks, and document project meetings.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-collaboration-manager

Lab Notebook Digital

Document experiments, observations, and research activities in a digital lab notebook. Track materials, procedures, results, and conclusions with tags and search.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/lab-notebook-digital

Research Impact Tracker

Monitor citations, metrics, and impact of your publications. Calculate h-index, i10-index, and track downloads, views, and altmetrics over time.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-impact-tracker

Open Access Journal Finder

Discover open access journals for publishing your research. Search and filter by discipline, impact factor, APC fees, and open access type.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/open-access-journal-finder

Peer Review Response Manager

Organize and respond to peer review comments systematically. Track reviewer feedback, draft responses, and manage revision deadlines.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/peer-review-response-manager

Research Budget Planner

Plan and track research project budgets with categories, indirect costs, and detailed justifications. Export formatted budget reports.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-budget-planner

Systematic Review Screener

Screen articles for systematic reviews and meta-analyses. Define inclusion criteria, track screening stages, and document exclusion reasons.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/systematic-review-screener

Conference Abstract Formatter

Format conference abstracts with word count tracking. Create structured or unstructured abstracts with author details and keywords.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/conference-abstract-formatter

Research Gap Identifier

Identify and document gaps in the literature for your research area. Track what exists, what's missing, and potential contributions by gap type.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/research-gap-identifier

Participant Recruitment Tracker

Track participant recruitment and enrollment for research studies. Manage screening, eligibility criteria, and recruitment sources.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/participant-recruitment-tracker

Data Management Plan Generator

Create comprehensive data management plans for funding applications. Cover data types, storage, sharing, preservation, and ethical considerations.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/data-management-plan-generator

Academic Writing Assistant

Organize and track academic writing projects with sections, word count goals, and progress tracking. Manage manuscripts from draft to completion.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/academic-writing-assistant

Publication Readiness Checklist

Ensure manuscript readiness before journal submission. Track 47 essential checklist items across content, formatting, references, ethics, and compliance.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/publication-readiness-checklist

Dissertation Defense Prep

Prepare comprehensively for your dissertation defense. Track committee members, checklist items, practice sessions, and anticipated questions.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/dissertation-defense-prep

📁

academic Tools

(3)

Academic Book Proposal Generator

Professional tool that guides researchers and doctoral students through creating comprehensive book proposals for academic publishers, transforming dissertations and research into publishable manuscripts.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/book-proposal

Dissertation Ideation Tool

Interactive flowchart tool that guides graduate students through Phase 1 of the dissertation process, helping refine research topics with methodology-specific paths, discipline examples, and exports for advisor review (PDF) and AI processing (JSON).

Open Tool →

Share this tool:

https://www.subthesis.com/tools/dissertation-ideation-tool

Literature Review Matrix Generator

Systematically organize and compare research studies for your literature review. Track study designs, findings, limitations, and quality scores. Export to CSV or JSON, save your work, and create publication-ready comparison tables.

Open Tool →

Share this tool:

https://www.subthesis.com/tools/literature-review-matrix

More Tools Coming Soon!

We're constantly developing new logic and research tools to help you work more efficiently. Check back regularly or follow us for updates.