21 free tools · 6 in development

Grant Proposal Tools & Templates

Free calculators, drafting templates, and visual instruments for Horizon Europe, ERC, NSF, and NIH applications. Browse 21 tools by purpose — every one of them is open and works in your browser.

Featured Resource

Sample Grant Proposals Database

Browse 1,600+ funded proposals from NIH, NSF, ERC, Horizon Europe, and 150+ other sources. Read the prose that won — let the structure of victories teach you the structure of yours.

Browse the database

funded proposals

§ 0108 tools

Calculators & Eligibility

Numbers, eligibility windows, and back-of-envelope estimates.

NIH K Award Calculator

Eligibility for K99/R00, K01, K08, K23, K22, K25 across all NIH institutes — with career-break and extension tracking.

6 K award types8 NIH institutesCareer breaks

ERC Eligibility Calculator

Confirm the window for ERC Starting, Consolidator, and Advanced Grants before you commit months to the file.

All ERC schemesCareer breaksForecast

Budget Calculator

Comprehensive budget planning for Horizon Europe, NSF, NIH, ERC, and custom funding schemes — with category-aware validation.

Multi-schemeValidationExport formats

Quick Budget Calculator

A faster pass for personnel, equipment, travel, and indirect costs at common institutional overhead rates.

Quick estimatesOverhead rates

Text-to-Space Estimator

Calculate page usage with funder-specific formatting presets, live page preview, and real-time NIH/NSF/ERC compliance checks.

Live previewFunder presetsCSV/JSON

Sample Size Calculator

Calculate sample sizes and margins of error, then generate a methodology paragraph for your methods section.

Sample sizeMethodology text

Power Analysis Calculator

Sample size and statistical power for t-tests, ANOVA, and correlation. Interactive power curves and protocol generation.

T-tests & ANOVAPower curvesProtocol

Carbon Footprint Calculator

Estimate the CO₂ of computational research from GPU/CPU workloads, after the Green Algorithms framework.

GPU/CPUGlobal locationsEquivalents

§ 0204 tools

Drafting & Templates

Documents drafted, formatted, and converted.

Letter of Support Generator

Professional Letters of Support, NIH/NSF compliant, with six role-specific templates (Mentor, Data Provider, Equipment, …) — exported to PDF.

NIH/NSF compliant6 templatesPDF export

Acronym Generator

Create memorable project acronyms or expand existing ones into meaningful phrases. Forward and backronym modes with theme filtering.

Forward & backMemorability score

Citation Converter

Convert references between APA, MLA, Chicago, IEEE, AMA and more. Batch conversion of entire reference lists in seconds.

9 stylesBatchAI-powered

Pre-Submission Checklist

Comprehensive submission checklist for NIH, NSF, ERC, and Horizon Europe applications — guided workflow with rationale for each item.

Multi-schemeProgress trackingExport

§ 0304 tools

Visuals & Diagrams

Figures, timelines, plots, and maps.

Specific Aims Flowchart Maker

Visualize experimental logic with decision trees, contingency plans, and aim dependencies. Built with React Flow for NIH R01, ERC, and NSF.

React FlowTemplates300 DPI / SVG

Gantt Chart Creator

Click-to-edit project timelines on Google Charts. Set tasks, dependencies, and milestones — export to CSV or image.

Click to editDependenciesCSV / Image

Plot Digitizer

Recover numerical data from images of graphs and plots. Calibrate axes, mark points, and export to CSV format.

Image uploadAxis calibrationCSV export

Funding Map Visualizer

An interactive map of funding opportunities across disciplines and geographic regions, with deadlines on a working calendar.

Global mapDiscipline filterCalendar

§ 0404 tools

Strategy, Compliance & Discovery

Plans, registries, frameworks, and directories.

Risk Assessment Matrix

Systematic risk assessment for grant proposals. Identify research risks, develop contingency plans, and create mitigation strategies.

Risk identificationMitigationMonitoring

DMP Wizard

Generate compliant Data Management Plans for NIH or Horizon Europe — step-by-step guidance, compliance checks, and FAIR scoring.

NIH & EUFAIR scoreExport

Regional Advantage Analyzer

Where will geography or institution actually help your application? Weighted analysis across funding opportunities and rankings.

GeographicInstitutionalWeighted scoring

AI Research Tools Directory

A curated directory of AI-powered tools for literature review, writing, data analysis, and grant preparation — free and paid options.

Comparison matrixUse casesFree & paid

§ 0506 prototypes

In Development

Working prototypes under active development — expect rough edges and partial features.

Use at your own risk

Timeline Planner

Manage proposal milestones and deadlines with visual timeline tracking.

Multi-PI Collaboration Planner

Coordinate roles, responsibilities, and communication across investigators.

Section Quality Evaluator

Analyze proposal sections using NLP for clarity and completeness.

Reviewer Bias Radar

Analyze potential reviewer biases and optimize your presentation strategy.

Panel Dynamics Simulator

Model panel decision-making processes to optimize your strategy.

Academic CV Extractor

Extract structured data from academic CVs for grant proposals.

A well-stocked toolbox is a fine thing — but the proposal still wants writing.

When the calculators are filled and the diagrams drawn, Proposia drafts the prose for you — Horizon Europe, ERC, NIH, NSF, in minutes.

Begin a proposal Or read the blog →