Best Open Source Tools by Category in 2026

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itsnotes

stars 23forks 0

A self-hosted Google Keep alternative for power users.

Self Hosted Note-taking Apps Knowledge Management

Scira

stars 11.7Kforks 1.5K

Open source AI search engine that retrieves cited sources

AI Search Tools Search Engine Self Hosted+4

palmier-pro

stars 10.2Kforks 767

AI video editing made seamless and efficient

Video AI Agents macOS+1

no-mistakes

stars 5.8Kforks 505

Automate clean PRs with gated Git pushes

Git DevOps Tools AI Coding Assistant

page-agent

stars 25.9Kforks 2.4K

AI-powered GUI Agent for your website

AI Agents Customer Support Workflow Automation+2

agent-toolkit-for-aws

stars 1.8Kforks 155

Empower AI agents to build and manage AWS applications

AI Coding Assistant Developer Tools Cloud Native+1

cognee

stars 27.6Kforks 2.7K

Persistent memory for AI agents across sessions

LLM Knowledge Management AI Agents+2

design.md

stars 25.7Kforks 2.1K

Generate UIs effortlessly with AI.

UI/UX Design AI Coding Assistant Low-code+1

daily_stock_analysis

stars 56.5Kforks 48.6K

AI-driven stock analysis for A, HK, and US markets

LLM Personal Finance AI Agents+2

simplex-chat

stars 18.4Kforks 1.2K

Private messaging without user IDs or servers.

Privacy Tools Chat Self Hosted+2

Anthropic-Cybersecurity-Skills

stars 25.3Kforks 3K

Empower AI agents with structured cybersecurity skills

Cybersecurity AI Agents

hiring-agent

stars 5.5Kforks 1.1K

AI-powered resume evaluation and scoring tool

LLM AI Agents Developer Tools+1

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