Top Open Source Financial Data Tools in 2026
A curated collection of the 6 best free and open-source Financial Data tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Scalar
Open-source API documentation & SDK platform
Stars16,004Last commit10d agoLicenseMIT
OpenBB
Build your own financial workspace
Stars72,360Last commit1mo agoLicenseOpen SourceFincept Terminal
Private AI research terminal with quant lab and dataroom
Stars30,701Last commit17d agoLicenseOpen SourceCrater
Embedded AR/AP automation for fintech platforms
Stars8,341Last commit43mo agoLicenseAGPL-3.0Colanode
Open-source Slack and Notion alternative
Stars5,031Last commit5mo agoLicenseApache-2.0WordPress
Open source website builder and CMS
Stars21,372Last commit10d agoLicenseOpen Source
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Showing 6 of 6 open-source tools