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Show HN: I open sourced my failed SaaS (task/calendar/chat/files hub)

https://github.com/140crafts/use-jinear
1•cgdstnc•1h ago
Hi HN, About 1.5 years ago, I published Jinear, an app I originally built for friends, family, and for fun. I tried to turn it into a SaaS to acquire paying users, but I failed.

Instead of letting it sit, I made it open source and moved on to other things. Over time it gained some unexpected traction nothing big just very small heartbeats. Meantime I needed file sharing and messaging for my own use, so I went back to jinear and added those modules too.

I don't think this will ever be a financially profitable product, but I'd be happy if it helps other people. I currently host it on a Mac Mini at home, which costs me almost nothing (besides couple of cents for google cloud storage).

While there’s a hosted version for quick testing, it is fully self hostable. You can create/assign tasks, share files, view everything on a calendar, and chat with your team. It’s also built as a PWA for mobile use.

If anyone needs this kind of tool feel free to use & modify it. I’d love to hear your thoughts or feedback. Thanks.

The creator of Clawd: "I ship code I don't read"

https://www.youtube.com/watch?v=8lF7HmQ_RgY
1•doppp•3m ago•0 comments

Show HN: 1X is a Chrome extension to help with doomscrolling in X

https://1x.kawaicheung.io
1•kiwigod17•4m ago•1 comments

There's no point in learning custom tools, workflows, or languages anymore

https://twitter.com/naval/status/2016343169651409407
1•athultr1997•9m ago•0 comments

Sbt and the Miners of the Wild West

https://eed3si9n.com/sbt-and-the-miners-of-the-wild-west/
1•jmgimeno•10m ago•1 comments

Commission's decision to fine X [pdf]

https://judiciary.house.gov/sites/evo-subsites/republicans-judiciary.house.gov/files/2026-01/ACT_...
2•miohtama•11m ago•0 comments

Get on board with modern banking Taiwan

https://www.taipeitimes.com/News/feat/archives/2026/01/29/2003851387
1•keepamovin•12m ago•1 comments

How shopping chatbots might transform retail

https://www.ft.com/content/9de227a5-2bc1-4730-88b1-dbbb5b559ee8
1•petethomas•14m ago•0 comments

IT Just Takes Too Long

https://github.com/belocci/UniTrainer
1•belocci•14m ago•0 comments

ARM MTE Performance in Practice (Extended Version)

https://arxiv.org/abs/2601.11786
1•todsacerdoti•21m ago•0 comments

Arctic Ascent with Alex Honnold [video]

https://www.youtube.com/watch?v=ep-xRQDTiOg
1•handfuloflight•22m ago•0 comments

Halide cofounder Sebastiaan de With joins Apple's design team

https://www.threads.com/@sdw/post/DUEeAwFksRt
1•wavelander•22m ago•0 comments

The State of (AI) Code Developer Survey

https://www.sonarsource.com/resources/developer-survey-report/
1•ColinEberhardt•23m ago•0 comments

The cold war maps that can help us rethink today's Arctic conflict

https://theconversation.com/the-cold-war-maps-that-can-help-us-rethink-todays-arctic-conflict-274058
2•bryanrasmussen•24m ago•0 comments

QGIS Expression Language as a Tool for Procedural Cartography

https://geoawesome.com/qgis-expression-language-as-a-tool-for-procedural-cartography/
2•bryanrasmussen•25m ago•0 comments

Free URL Editor with a Twist

https://urleditor.online
1•docnavy•25m ago•0 comments

TikTok uninstalls surge 150% after app's US takeover

https://www.emarketer.com/content/tiktok-uninstalls-surge-150--after-app-s-us-takeover
2•FuturisticLover•29m ago•1 comments

Ask HN: We're Shipping MCPs Blind

1•tiluckdave•31m ago•0 comments

Show HN: I built a digital twin to visualize sensor drift in real-time

https://www.predictability-api.com/demo/industrial
1•OGsus•34m ago•1 comments

Generative Music with the Muse

https://computerhistory.org/blog/generative-music-with-the-muse/
9•andsoitis•36m ago•0 comments

Adding dynamic features to an aggressively cached website

https://simonwillison.net/2026/Jan/28/dynamic-features-static-site/
1•onurkanbkrc•39m ago•0 comments

Show HN: Codex.nvim – Codex inside Neovim (no API key required)

https://github.com/ishiooon/codex.nvim
3•ishiooon•43m ago•0 comments

Show HN: Relnotes.app – Turn GitHub PRs into your Friday's report automatically

https://relnotes.app/
1•hubertusputu•45m ago•0 comments

British 2-year-old breaks two world records playing pool and snooker

https://www.upi.com/Odd_News/2026/01/28/Guinness-World-Records-toddler-pool-snooker/1551769621785/
2•austinallegro•50m ago•0 comments

CATL unveils first mass-production sodium-ion battery for vehicles

https://carnewschina.com/2026/01/22/catl-unveils-worlds-first-mass-production-sodium-ion-battery-...
3•achow•52m ago•0 comments

Show HN: Shorlabs – open-source Vercel for Python/Node back ends

https://github.com/aryankashyap0/shorlabs
10•abyssglass02•53m ago•1 comments

Spanish scientists achieve complete eradication of pancreatic cancer

https://www.gamereactor.eu/spanish-scientists-achieve-complete-eradication-of-pancreatic-cancer-t...
4•blufish•57m ago•1 comments

Grok Imagine

https://grok.com/imagine
3•yihongs•58m ago•0 comments

Grok Imagine API

https://x.ai/news/grok-imagine-api
2•yihongs•59m ago•0 comments

Carnegie Mellon Unversity Computer Club FTP Server

http://128.237.157.9/pub/
1•1vuio0pswjnm7•1h ago•1 comments

Show HN: Quantum Vulnerability Database for 3,700 Japanese Public Companies

https://postqlabs.com
1•yoshi_dev•1h ago•1 comments