Best Open Source Tools by Tag in 2026

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Open Source Alternatives

DeepSeek TUI

stars 41.1Kforks 3.6K

A coding agent that lives in your terminal.

AI Coding Assistant Developer Tools Open Core+1

9Router

stars 30.8Kforks 5.9K

Smart AI Router with 3-Tier Fallback

AI Coding Assistant Developer Tools LLMOps+2

Local Deep Research

stars 9.2Kforks 845

Your AI research assistant, fully local and encrypted.

LLM Knowledge Management AI Search Tools+2

Flue Framework

stars 8.5Kforks 508

Build powerful, autonomous agents with TypeScript.

AI Agents Chatbots Developer Tools+2

PageIndex

stars 39.1Kforks 3.4K

AI-powered document understanding with explainable retrieval

LLM Knowledge Management AI Search Tools+2

Agent Skills

stars 106.5Kforks 11.1K

Structured workflows for AI coding agents.

AI Coding Assistant Developer Tools CI/CD Platforms

PocketBase

stars 61.4Kforks 3.7K

Run a self-hosted BaaS from one executable binary.

BaaS Database Developer Tools+1

Shotcut

stars 15.4Kforks 1.5K

Open source video editor for native timeline workflows on desktop

Developer Tools Video Graphic Design

Penpot

stars 61.1Kforks 4.2K

Open source collaborative UI design and whiteboard workspace

UI/UX Design Self Hosted Graphic Design

Grav

stars 15.7Kforks 1.4K

Flat-file CMS for fast, self-hosted websites.

Self Hosted CMS No Code+1

GrapesJS

stars 26.3Kforks 4.7K

Build drag-and-drop page editors inside your own stack.

UI/UX Design No Code Developer Framework

Pixelle-Video

stars 28.1Kforks 4.1K

Create videos in minutes with AI automation

Video AI Agents Workflow Automation

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