Top SCA GitHub Repositories & Tools (2026)

A list of useful payloads and bypass for Web Application Security and Pentest/CTF

OptiScaler bridges upscaling/frame gen across GPUs. Supports DLSS2+/XeSS/FSR2+ inputs, replaces native upscalers, enables FSR-FG/XeFG on non-FG titles. Supports Nukem mod for DLSSG-to-FSR3 FG.

An open source, self-hosted implementation of the Tailscale control server

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

Dynamic, resilient AI orchestration. Coordinate data, models, and compute as you build AI workflows.

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

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Apache Spark - A unified analytics engine for large-scale data processing

Stable Diffusion web UI

Every display control macOS hides, in one menu bar app: sharp HiDPI/Retina scaling (no more blurry or tiny text), DDC brightness and volume, Extra Brightness past 100%, presets, virtual displays. Free and open source, a no-cost alternative to BetterDisplay and Lunar.

Open Source Algo Trading Platform for Everyone

Puts DLSS 5 neural rendering into games that never shipped it, and brings the game's own DLSS up to date - super resolution, ray reconstruction, frame generation. Scans your library, picks one of eight routes, fetches every part from its publisher at run time, then says what happened. One exe, no admin; uninstall puts the game back.

a fast, scalable, multi-language and extensible build system

The ZAP by Checkmarx Core project

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

A game mod that uses NVIDIA AI to change lighting, detail and colour, with controls for strength and performance.

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

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

Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

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