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Python GUIs for Humans! Create any GUI simple or complicated in a way that's intuitive. Launched in 2018. NEW for 2026 - the LGPL3 Version 6. Transforms tkinter, Qt, WxPython, and Remi into a simple, intuitive, and fun experience for both hobbyists and expert users.
BleachBit system cleaner for Windows and Linux
mouse & keyboard sharing via LAN
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.
Open-source Windows game resource manager. Suppresses background processes, gives games exclusive CPU cores, steers device interrupts off game cores, applies per-game GPU driver, memory and power policies, and restores every change after play. No injection, no telemetry. GPL-3.0.
TranslatedCyber Xiaoya Live Edition (赛博小雅, Cyber Xiaoya) · Component-based digital human (Vidu s2) · Free and open source, AGPL-3.0 · Author: 天工开帧 (Tiangong Kaizhen, "Heavenly Craft, Opening Frames") (same name on Douyin/Bilibili/YouTube)
A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Linux, AGPL-3.0.
Adaptive Windows wallpaper — free open-source Beach and Meadow preview.
TranslatedMemory Brain (忆核大脑, Yihe Danao, "memory core brain"): standalone memory service + DSH plugin, verbatim evidence, background consolidation, 3D panel, life and emotion rules.
Free, open-source local file converter. Native macOS app + early Windows/Linux desktop edition. Batch images, PDFs and optional FFmpeg media. GPLv3.
MERK is an open source, cross-platform, multiple-document interface GUI IRC client for Windows, Linux, and macOS written in Python, PyQt5, and Twisted.
System Shock (PowerMac version / Official GPL Release)