Top 112 Show HN Open-Source Projects & Libraries (January 2026)
launchesBrowse newly launched open-source repositories, developer libraries, and community software in January 2026. Use this list to explore open-source tools.
Hacker News Digests — January 31, 2026
https://sorting.cr.yp.to— Djbsort: The fastest Intel/AMD sorting library, safe for cryptographic contexts
https://doom.mikeayles.com— Doom rendered in OpenSCAD geometry, now playable in browser
https://dinosaurpictures.org— Dinosaurpictures.org – Dinosaur Pictures
https://badgar.org— In vitro implantation with Apple Vision Pro
https://speaklanguageonline.com— I built a voice-only AI language tutor using OpenAI's Realtime API
https://rubyforum.org— The Ruby Users Forum Is Now Live
https://hn-terminal.pages.dev— Hacker News Terminal (Open source viewer)
https://atlasphp.org— Foundation for AI Development in Laravel
https://penpeeper.com— PenPeeper–An Open-Source Pentesting Engagement Manager (Optional AI)
https://link2slide.vercel.app— Link2Slide – Free tool to turn any URL/text into LinkedIn Carousels
https://accessibilityforeveryone.site— Accessibility For Everyone is now free and online as a website
https://openconsent.dev— Open-source GDPR cookie banner for Shadcn/UI with GCM v2
https://typoguard.io— TypoGuard – A typosquatting monitoring engine with automated reporting
https://stateof.mozilla.org— 2025/26 State of Mozilla report is finally here
https://prism.openai.com— OpenAI Prism, a free workspace for scientists to write and collaborate
https://robotics.growbotics.ai— Open-source Robotics – Curated projects with interactive 3D URDF viewer
https://freetaxusa.com— FreeTaxUSA
https://thelibrariansfilm.com— The Librarians Film
https://videocompress.ai— A free online video compression tool for instant compression
https://breakevenroas.org— The Algorithmic Tax: Rethinking ROAS as a Profit-Extraction Mechanism
https://divergent-desktop.org— Diverging the Desktop – in search for better human computing interfaces
https://aicoloringpage.org— AI Coloring Pages Generator
https://typematchup.org— Type Chart Calculator – Fast Pokemon type effectiveness lookup
https://filelite.app— Free Fast Image Processor
https://blankcal.app— BlankCal: A clean, free tool to generate printable blank calendars
https://devuan.org— Devuan – Debian Without Systemd
https://disposablecheck.irensaltali.com— Free API to check if email is temp or disposable
https://unofficial-fosdem-beer-event.org— Unofficial Friday Beer Event
https://quantarded.com— Quantarded, extracting WSB stock signals using OpenAI
https://dripemails.org— Dripemails.org
https://civic-resilience.com— A nonpartisan resource for citizens who want to understand their rights
https://open-props.style— Open Props: sub-atomic CSS
https://newyougo.com— NewYouGo – A Fast and Free AI Image and Video Generator
https://sheaf-lang.org— Sheaf – A Functional Language for Differentiable Programs
https://loveyoumake.com— A simple, free website to send love letters
https://explain.datadoghq.com— Explain.datadoghq.com – a free explain plan visualizer
https://jsonbin-zeta.vercel.app— JSONBin – Free JSON storage API (no signup required)
https://openwonton.org— HashiCorp Nomad Forked as OpenWonton
https://lad-a2a.org— Lad-A2A: How AI agents find each other on local networks
https://hhh.org.uk— H3 – A Drinking Club with a Running Problem
+ 72 more verified launches in full dataset...
Key Launch Stats (Show HN Open-Source Repositories — January 2026)
During January 2026, a total of 112 product launches were recorded in this category up to 2026-01-31.
Here is a quick look at launch activity and naming characteristics:
- Total Launches: 112 domains
- Busiest Launch Day: 2026-01-28 (26 launches)
- Average Domain Name Length: 10.0 characters
- Shortest Domain: yp.to
- Longest Domain: unofficial-fosdem-beer-event.org
- Clean / Single-Word Domains: 89.3%
- Common Name Prefixes: open (8), the (1), ai (1), dev (1), get (1)
- Common Keywords: ai (32), app (14), ui (11), dev (8), tool (8)
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.