Self Hosted Open Source Tools

Alternative toLangSmith

Trace and debug LLM prompts while monitoring inference costs

• 36,091 GitHub stars
• MITLicence MIT
• #LLMOps

InAI & Machine Learning

Decensor local LLMs automatically with directional ablation

• 36,002 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #LLM

Alternative toClaude Code

Open-source AI coding agent you can leave running locally.

• 35,882 GitHub stars
• MITLicence MIT
• #AI Agents

Alternative toAmazon S3

S3-compatible object storage built in Rust, Apache 2.0 licensed

• 35,244 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toPinecone

Self-hosted vector database for AI similarity search and RAG

• 35,154 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toABBYY FineReader PDF

Make scanned PDFs searchable and copy-pasteable in one command.

• 35,105 GitHub stars
• MPL-2.0Licence MPL-2.0

Alternative toGlean

Self-hosted knowledge base with RAG search, AI agent, and wiki

• 34,874 GitHub stars
• MITLicence MIT
• #LLM

Alternative toGitHub Copilot

Self-hosted AI coding assistant server for private team deployment

• 33,889 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toRunway

Open source AI studio for artists who want real control

• 33,842 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toZep

Persistent memory for AI agents across sessions

• 32,595 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM

Alternative toDatadog

Open source APM with logs, traces, metrics, and dashboards

• 32,409 GitHub stars
• MITLicence MIT
• #Monitoring

Alternative toDocker Desktop

Run a local Kubernetes cluster on macOS, Linux, or Windows

• 32,203 GitHub stars
• Apache-2.0Licence Apache-2.0