KoiHi
Make your own WhatsApp with E2EE self hosted chat solution
What it does
Revolutionizing secure communication with E2EE. A self-hosted chat solution that ensures absolute data privacy. Features group chats, voice calls, file sharing, app lock, and screenshot alerts. The ultimate tool for privacy-conscious teams and individuals.
Does the same job
all alternatives →- WMWhatsApp MCP Server2025 · github.com · ▲229
Hi HN – I built an open-source, self-hosted Model Context Protocol (MCP) server for WhatsApp: https://github.com/lharries/whatsapp-mcp It connects to your personal WhatsApp account via the WhatsApp Web multi-device API (using whatsmeow from the Beeper team), and doesn't rely on third-party APIs. All messages are stored locally in SQLite. Nothing is sent to the cloud unless you explicitly allow your LLM to access the data via tools – so you maintain full control and privacy. The MCP server can: - Search your messages, contacts, and groups - Send WhatsApp messages to…
- LSLet's Chat, a self-hosted chat app for small teams2015 · sdelements.github.io · ▲350
- PAPivots and millions later, I built a lambda to start WhatsApp chats2023 · compose.im · ▲23
I've been working on my startup for years to no avail. Raised VC money and burned through millions - now built a simple service that lets you add a "chat to us" button (or can hook to your forms) to launch a WhatsApp chat. The key here is that the button can open chats with different WhatsApp numbers based on rules you can set. These rules can be based on the website visitor's geography, language, time spent on your site or even your business's office hours. Can also hook onto existing forms and use form fields in the rules too. Try it out on our site by clicking the chat to us button and…
More work this month
the category →
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Launched alongside, December 2023
the whole month →- BM
Hi HN! I’m proud to share that we have built a real 3rd party iMessage client for Android. We did it by reverse engineering the iMessage protocol and encryption system. It's available to download today (no waitlist): https://play.google.com/store/apps/details?id=com.beeper.ima and there's a technical writeup here: https://blog.beeper.com/p/how-beeper-mini-works. Unlike every other attempt to build an iMessage app for Android (including our first gen app), Beeper Mini does not use a Mac server relay in the cloud. The app connects directly to Apple…
Commerce · 2023 · beeper.com
- HA
Hey! I made Heynote entirely for my own use case. For many years, I always had an Emacs instance running with the scratch buffer open, even long after I had abandoned Emacs as my programming editor in favor of more recent IDE:s. The simplicity of having just one big scratch buffer appeals to me, but I still want to separate the different things I jot down somehow (without using tabs or similar). Previously, my solution was to insert a bunch of blank lines between the notes, but hitting C-A would still select the entire buffer. That's why I came up with the concept of "blocks", which turned…
Work · 2023 · heynote.com
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