Top 422 Show HN Open-Source Projects & Libraries (August 2026)
launchesBrowse newly launched open-source repositories, developer libraries, and community software in August 2026. Use this list to explore open-source tools.
Hacker News Digests — August 31, 2026
https://keepscreenon.vercel.app— I made a free web app that prevents your screen from turning off automatically
https://nativescope.dev— Open source React Native debugging studio
https://aboraos.org— Abora OS – A NixOS based distro
https://openai-git-upstream.openai.chatgpt.site— OpenAI's work on Git for large repositories
https://freeaipromptgen.com— Free AI Prompt Gen – A local-first, open-source prompt engineering tool
https://fuselang.org— Fuse Programming Language
https://getbilldesk.vercel.app— BillDesk – Offline invoicing for freelancers (Windows and Mac)
https://app.arcad.studio— We made Arcad, a parametric CAD in the browser, free and no signup
https://8bit.cnlibs.com— 8bit/cnlibs – 8bit Shadcn component library
https://d2ykijtrvb890q.cloudfront.net— Vein, a minimalist open-source resource management game
https://fstar-lang.org— F*: A general-purpose proof-oriented programming language
https://einzzcookie.org— TikTrack
https://schmess.com— Schmess – chess with no turns; pieces freeze on cooldown after moving
https://nbcnews.com— NBC News – Breaking Headlines and Video Reports on World
https://testimonials.free— Testimonials.Free ~1 KB embed widget, zero layout shift
https://11971.com— Flock – Chilling Effects: Long Island's Emerging Open-Air Prison
https://domainscored.com— I build it a domain security scanner
https://verginglabs.com— A Markdown wiki outscored every AI agent memory product we benchmarked
https://glaux.rangan39.sh— Glaux – Browser-Only AI for Hugging Face ONNX Community Models
https://choreomotion.app— Choreo A free visual design tool for UI behavior and micro-interactions
https://tbook.dev— Open-source book format for instant translations and Android app
https://read-the-water.netlify.app— A free mini game that makes you a smarter fly fisherperson
https://byocanywhere.org— AI Is Breaking the SaaS Deployment Model: 10 Commandments for BYOC
https://opengeoai.org— GeoAI: Artificial Intelligence for Geospatial Data
https://scilab.org— Scilab: Open-source software for numerical computation
https://planning-poker.teamretro.com— PlanningPoker / Agile Estimations – Free, no-signup for sprint planning
https://icqr.net— ICQ Reborn Community Project
https://splint.org— Splint: Annotation-assisted lightweight static checking for C. (2004)
https://tricki.org— Tricki – a repository of mathematical know-how (2020)
https://modelplane.dev— ModelPlane, one OpenAI-compatible gateway for AI models
https://einvoicekit.com— Free EN 16931 e-invoice validator that runs in the browser
https://whataifound.org— A graded registry of scientific results produced by or with AI
https://kurate.org— Paper Rankings across live ArXiv categories
https://plyscope.com— Which chess openings are costing you wins? Plyscope tells you
https://ktxconverter.robertborghesi.is— KTX Images Converter for WebGL/GPU and Threejs
https://learnos.opara-ai.com— LearnOS – Open-source, AI-native Coursera you run locally
https://platejs.org— Plate – A rich-text editor framework for React
https://ghosthub.ai— Ghosthub: Tmux/SSH-native macOS terminal based on libghostty
https://customizecareermap.org— PBCareerOS – Multi-dimensional career intelligence and roadmap generator
https://openflexure.org— OpenFlexure Microscope – The OpenFlexure Project
+ 382 more verified launches in full dataset...
Key Launch Stats (Show HN Open-Source Repositories — August 2026)
During August 2026, a total of 422 product launches were recorded in this category up to 2026-08-31.
Here is a quick look at launch activity and naming characteristics:
- Total Launches: 422 domains
- Busiest Launch Day: 2026-08-19 (29 launches)
- Average Domain Name Length: 9.2 characters
- Shortest Domain: fx.sh
- Longest Domain: travelitinerarytemplate.org
- Clean / Single-Word Domains: 90.5%
- Common Name Prefixes: open (25), the (7), ai (5), get (3), my (3)
- Common Keywords: ai (90), app (46), agent (37), ui (36), dev (35)
How to Use This Data
You can use this list of Hacker News and builder releases to find emerging tools, track indie projects, or connect with early-stage builders.
To browse or download the full master dataset of 15,500+ startup launches in CSV and JSON formats, visit the Launches Master Dataset.