Top ANN GitHub Repositories & Tools (2026)

Spec-driven development (SDD) for AI coding assistants.

Self-hosted family planner - tasks, calendars, shopping, meals, budget. Your data, your server.

Free Windows, Mac and Linux cleaner, scanner, and more.

Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. A free, Apple-notarized alternative to CleanMyMac, built with Swift 6 and SwiftUI.

Program for determining types of files for Windows, Linux and MacOS.

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.

The ZAP by Checkmarx Core project

Real-time intraday stock scanner for US equities with a browser dashboard you lay out yourself

Annotate terminal text, review documents and agent replies in Herdr, and send the feedback straight back to the agent.

Vulnerability scanner written in Go which uses the data provided by https://osv.dev

Computer Vision Annotation Tool (CVAT) is a leading platform for building high-quality visual datasets for vision AI. It offers open-source, cloud, and enterprise products, as well as labeling services, for image, video, and 3D annotation with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

🎬 Ultimate AI Auto-Clipper — Transform long-form videos & podcasts into viral shorts! Features smart face-tracking, kinetic karaoke subtitles, contextual B-roll, AI voice-overs, and auto-uploaders (YouTube/FB). Powered by Whisper, Gemini, MediaPipe, & Pyannote.

A fast type checker and language server for Python

User editable database for TV channels.

Open-source, self-hosted customer support desk in a single binary. A lightweight alternative to Intercom, Zendesk, Chatwoot.

📥 A Telegram toolkit written in Golang

Open-source universal artifact registry. Drop-in Artifactory/Nexus alternative with 40+ package formats, security scanning, WASM plugins, and edge replication.

Local Area Network discovery tool with an interactive Terminal User Interface (TUI) written in Go. Discover, explore, and understand your LAN in an intuitive way. Knock Knock.. who's there? 🚪

Nuclei is a fast, customizable vulnerability scanner powered by the global security community and built on a simple YAML-based DSL, enabling collaboration to tackle trending vulnerabilities on the internet. It helps you find vulnerabilities in your applications, APIs, networks, DNS, and cloud configurations.