Software

Manage tasks, time, assets and much more within your business. ([Demo](https://rei3.de/demo_en/), [Source Code](https://github.com/r3-team/r3))

Cryptocurrency payment processor with the unique combination of gateway and merchant allowing you to accept payments in multiple cryptocurrencies without fees and intermediaries. ([Demo](https://github.com/vsys-host/shkeeper.io?tab=readme-ov-file#11-demo), [Source Code](https://github.com/vsys-host/shkeeper.io))

Open source invoicing and quote application. ([Source Code](https://github.com/SolidInvoice/SolidInvoice))

Lightweight personal subscription tracker with statistics and optional notifications. ([Demo](https://github.com/ellite/wallos?tab=readme-ov-file#demo), [Source Code](https://github.com/ellite/wallos))

Personal finance web application, that can be used to keep track of your money, expenses, budgets, and investments. It also helps with long-term financial planning. ([Demo](https://sandbox.yaffa.cc), [Source Code](https://github.com/kantorge/yaffa))

Generates lightweight, embedded honeypot triggers called canary tokens for detecting unauthorized access. ([Source Code](https://github.com/thinkst/opencanary))

Speed test analysis software that shows your internet speed for up to 30 days. ([Source Code](https://github.com/gnmyt/myspeed))

Network intruder and presence detector. Scans for devices connected to your network and alerts you if new and unknown devices are found. ([Source Code](https://github.com/netalertx/NetAlertX))

Free & Open-Source HTML5 Network Performance Estimation Tool. ([Source Code](https://github.com/openspeedtest/Speed-Test))

Monitor the performance and uptime of your internet connection. ([Source Code](https://github.com/alexjustesen/speedtest-tracker))

A personal note tool with AI features. ([Source Code](https://github.com/blinkospace/blinko))

Collaborative note taking, wiki and documentation platform that scales. ([Source Code](https://github.com/suitenumerique/docs))

Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. ([Source Code](https://github.com/jgraph/drawio))

Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE. ([Demo](https://demo.hedgedoc.org/), [Source Code](https://github.com/hedgedoc/hedgedoc))

Note taking application with markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through a self hosted Nextcloud instance or similar (alternative to Evernote). ([Source Code](https://github.com/laurent22/joplin))

Lightweight but powerful alternative for managing your personal, file based, notes and checklists. ([Source Code](https://github.com/fccview/jotty))

Realtime collaborative notebook app based on Markdown that supports running Elixir code snippets, TeX and Mermaid Diagrams. Easily deployed using Docker or Elixir. ([Source Code](https://github.com/livebook-dev/livebook))

Knowledge base that works with a SQLite db file. ([Demo](https://demo.usememos.com/explore), [Source Code](https://github.com/usememos/memos))

Minimal web-based Markdown notes app. ([Source Code](https://github.com/enchant97/note-mark))

Web-based collaborative LaTeX editor. ([Source Code](https://github.com/overleaf/overleaf))

Modern note taking application for the cloud, utilizing the best features of progressive web apps technology. ([Demo](https://alextselegidis.com/try/plainpad/), [Source Code](https://github.com/alextselegidis/plainpad))

Note-taking application optimized for people with a hacker mindset. ([Demo](https://play.silverbullet.md/), [Source Code](https://github.com/silverbulletmd/silverbullet), [Clients](https://silverbullet.md/Libraries))

Simple and private notes app. Protect your privacy while getting more done. That's Standard Notes. ([Demo](https://app.standardnotes.com/), [Source Code](https://github.com/standardnotes/app))

Totally private personal database and note taking app. ([Source Code](https://github.com/turtl))