OpenSoft

Directory / AI app builders

Open source AI app builders

Platforms for building LLM chatbots, agents and RAG workflows. Ranked by health score.

Langflow

77 · Stable

Visual builder for AI agents and RAG workflows, with a Python API.

MIT★ 156kLast commit yesterday

Flowise

Archived

Drag-and-drop builder for LLM agents and chatflows.

Open source (permissive)★ 55kLast commit 2 months ago

Source-available and unverified licenses

The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.

Dify

89 · Healthy

Platform for building LLM apps, agents and RAG pipelines with a visual workflow editor.

Custom license, not open source★ 158kLast commit today

At a glance

Health and license are separate verdicts: a project can be well maintained and still not be open source.

ProjectHealthLicenseStarsLast commit
Langflow77 · StableMIT156kyesterday
FlowiseArchivedOpen source (permissive)55k2 months ago
Dify89 · HealthyCustom license, not open source158ktoday

Paid products these replace

Alternatives to Microsoft Copilot StudioAlternatives to Voiceflow

Scores refresh nightly from GitHub. How we score.