Best Open Source Finance & Investing Tools in 2026
Open-source tools for financial analysis, stock market tracking, portfolio management, and investment research.
The most popular pick this year is OpenBB with 64,171 GitHub stars, but all 2 options below are worth considering depending on your needs.
2 open source finance & investing tools — ranked by GitHub stars. Browse all
OpenBB
Open-source financial data platform for analysts, quants, and AI agents — a free alternative to Bloomberg Terminal.
Bloomberg Terminal
stonks
Terminal-based stock market visualizer that displays real-time stock graphs directly in your terminal.
TradingViewHow we rank these tools
Tools are ranked by GitHub stars as a proxy for community adoption and trust. Stars reflect how many developers found a project valuable enough to bookmark — a reasonable signal for quality in the open source world. We only list tools that are actively maintained and open source.
Looking for tools you can run yourself? Browse self-hosted finance & investing tools →