Bark
Open text-to-audio model for speech, music and sound effects
50 tools in our directory are marked as best for Researchers, from 13 sections: Data & Analytics (8), Generative AI (7), AI Agents & Assistants (6), AI Models & APIs (6) and 9 more sections.

Open text-to-audio model for speech, music and sound effects

Open source community and framework for multi-agent systems

Object based notes that link people, books and projects

Free open archive of web crawl data for research and analysis

AI search engine for peer-reviewed research papers and evidence

JavaScript library for custom, data-driven charts and visualizations

Online tool for making charts, maps and tables without code

Customer research platform that analyses interviews and feedback

Framework for programming LLM pipelines with typed signatures

AI research assistant for finding, screening and summarizing papers

Hosted API for thousands of open-weight AI models

Self-hosted RSS and Atom feed aggregator with a web reader


Draws graphs and networks from a simple text language

Hub for sharing and finding machine learning models and datasets


Open-weight video generation model and code from Tencent

Open source notebooks that combine code, text and visual output

Open source bookmark manager that tags saved links with AI

Long-context AI chat assistant for research, documents and coding

Open source online survey tool that can be self-hosted

Open source bookmark manager that archives full pages

Open source outliner for linked notes, journals and tasks

Open model hub and Python library for AI models and datasets

UX research, training courses and guidance for design teams

Concise JavaScript library for exploratory data charts

Private Markdown notes stored as local files on your device

Free weather forecast and historical weather API with no API key

Free open source tool for cleaning and transforming messy data

Free research charts and data on global problems

Converts documents between Markdown, Word, LaTeX and other formats

AI answer engine that searches the web and cites its sources

Turns Markdown and notebooks into articles, reports, slides and books

Bookmark manager with collections, full-text search and backups

Free open source web app that turns spreadsheet data into charts

Collects your reading highlights and resurfaces them for review

Note taking tool for linked notes and research in a graph


Open voice conversion tool with training and realtime voice changing

Private metasearch engine that combines many search services

Open-source framework for serving large language models

Reads documents, web pages and books aloud with AI voices

Survey and form builder with templates for feedback and research

Open source agent that uses a language model to fix GitHub issues

Open 3D generation model from Microsoft for meshes and 3D Gaussians

Classic collection of free datasets for machine learning practice

UX research and usability testing for websites and prototypes

Looking for something else? Browse the full directory.