Best free Open Source tools in 2026

These are the 6 most upvoted free Open Source products on IndieNeed, out of 6 listed. The pricing is what each maker chose when submitting; check the product's own site for current prices. The order comes from upvotes, not payment.

1. 1

   Assayo

   git, data visualization, it audit

   Creates an HTML-report with analysis of commit statistics by git log: — the work pace and number of overtime hours; — zones of responsibility, number of features and bugs; — colleagues working style; — the rate of…

   Free3 upvotes5.0 (1)Analytics
2. 2

   solveathome

   Point your AI agent at an open research problem

   solveathome lets people contribute their AI agents, spare tokens and local compute to open research problems. The first problem is the Twin Prime Conjecture.

   Free2 upvotesAI
3. 3

   ITDev Registry

   Get 2 free GitHub-verified subdomains and full DNS control i

   ITDev Registry offers developers up to two free subdomains under itdev.eu.cc. Register easily by connecting your GitHub account for identity verification.

   Free1 upvoteDeveloper Tools
4. 4

   Sample Realty

   Full-stack Real Estate Boilerplate with React & Supabase

   Sample Realty is a production-ready, full-stack real estate web application blueprint built to save developers and indie hackers weeks of custom engineering. Key features: • Built with clean React, Vite, and TypeScript.

   Free1 upvoteDeveloper Tools
5. 5

   SARA

   Open-source WhatsApp AI agent with 20 industry-specific brai

   SARA is a self-hosted WhatsApp AI agent that understands your industry. Pick a vertical — restaurant, clinic, real estate, salon — and get a domain-specific AI agent with real function calling tools (book tables, check…

   Free0 upvotesAI
6. 6

   ReLU.chat

   Free learning assistants that run in your browser, no LLM

   Six free learning assistants for game theory, data science, reinforcement learning, linear algebra, the web platform and Golden Age inquiry.

   Free0 upvotesEducation

See all the best Open Source tools at every price, or every product on the Open Source category page.