Top Open Source Development Environments Tools in 2026
A curated collection of the 5 best free and open-source Development Environments tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Wire
Secure end-to-end encrypted messenger for organizations
Stars2,544Last commit8mo agoLicenseGPL-3.0Shelve
Secure secrets management for teams and AI agents
Stars451Last commit20d agoLicenseApache-2.0
Reflex
Full-stack Python app platform with AI
Stars28,859Last commit11d agoLicenseApache-2.0Encore
Automated infrastructure for humans and agents
Stars12,307Last commit11d agoLicenseMPL-2.0
Coder
Self-hosted AI development infrastructure with governance
Stars14,267Last commit10d agoLicenseAGPL-3.0
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Showing 5 of 5 open-source tools