Developer Tools
Frank framework Low-code Open-source Messaging Framework
Framework is an easy-to-use, stateless integration framework which allows (transactional) messages to be modified and exchanged between different systems.
Java
p2p
Meshenger: P2P Voice/Video Phone App With Network Support
Meshenger is a P2P Voice- and video phone calls without the need for accounts or access to the Internet. There is no discovery mechanism, no meshing and no servers. Just scan each other's QR-Code that will contain the contact's IP address. This works in many local
Self-hosted
OpenSearch: Self-hosted Open-source Headless Search Engine
OpenSearch is a free self-hosted headless (RESTful) Search engine that you can setup and use privately in your server. It is a distributed search and analytics engine based on Apache Lucene. After adding your data to OpenSearch, you can perform full-text searches on it with all the features you might
science
Bio7: A Free IDE for Ecological Modelling
The application Bio7 is a free and open-source integrated development environment for ecological modeling, scientific image analysis and statistical analysis It contains powerful tools for model creation, scientific image analysis and statistical analysis. The application itself is based on an RCP-Eclipse-Environment (Rich-Client-Platform) which offers a huge flexibility in configuration and
programming
Next Generation Programming: Free NoCode Cross-Platform Programming System
"Next Generation Programming - Programming Without Coding Software" is a drag-drop wizard for creating simple or complex applications without writing any programming language code. The project started by Mesut aydeğer; a software engineer from Ankara/ Turkey. The Software is coded/designed with "Java Programming Language" for
Android
Data Monitor: Free Data Usage Tracker App
Data Monitor is a user-friendly, free and open source app for you to manage your data usage. Data Monitor helps you to accurately measure your daily data traffic, and analyze the data in a way easy to understand. It allows you to track your data usage, providing easy access to
Android
openScale: Free Libre Body Metrics Tracker That Respects Your Privacy
Open-source weight and body metrics tracker, with support for Bluetooth scales
design
Fractal Generator: an Open Source Cross-platform Fractal Art Generator
Fractal art is an amazing never-ending pattern. It is a beautiful loop of colors, structures, and shapes organized in a fancy pattern. Fractal art is a computer generated art that uses algorithms to calculate fractal objects then represent them in a digital image, animation, or video. To create fractal art,
Sport
Trekarta Is an Open Source App for Hiking, Cycling, and Off-road Activities
Trekarta (former MapTrek) is designed for hiking, geocaching, off-roading, cycling, boating and all other outdoor activities. It uses offline maps, so you do not need to have internet connection. Trekarta is developed as a hobby for personal use but is generously shared to public on as-is basis. Developers are welcome
Open-source
Diab is A Libre Diabetes Manager App for Android
Diab is a free Libre open-source journaling and logging application for Diabetes patients. It allows users to log their blood sugar, insulin usage, their insulin injections, and then offers an overall insights on the records. Diab records can be exported easily to a spreadsheet file that can be used with
Open-source
BRouter: An Open-source Offline-first Cycling Routing App
Configurable OSM offline router with elevation awareness, Java + Android
Open-source
Diaguard Is A Privacy-focused Open Source Diabetes Diary for Android
Diaguard is an Android app for people with diabetes mellitus.
maps
Organic Maps is A Free Offline Map App for iOS and Android for Outdoor sports
While we depend on technology so much, we also count on our internet connection, but what if we are doing certain outdoor activity in remote areas with bad or worse no connection. The idea solution for navigation is to use offline maps applications, that provide a browsable high resolution maps
Development
16 Open-source Starters and Boilerplate for Building Your SaaS Project
What is a SaaS (Software-as-a-Service)? SaaS or Software as a service, is a software delivery model over the internet which saves the user the cost of installing, configuring and using the software, on their machines. The most popular example for SaaS is Gmail, the Google email service, Google Drive, Microsoft
List
15 Open-source Free Live-chat Widget Solutions To Boost Your Customer Engagement
What is a live-chat widget? Live chat widget is basically an embedded JavaScript widget that you add to your website to allow customers and website visitors to chat with site admins directly. A live chat widget in your website help you increase your customer interaction, boost their satisfaction and improve
Android
SkyTube is The Best Free Safe YouTube Client for Kids
As many parents complain about YouTube in-video ads that target their kids, we find that it's our duty to find the best kids-friendly YouTube app alternative that protects your child privacy. So here, we introduce: SkyTube. SkyTube is not your regular YouTube app alternative, firstly, it does not
Healthcare
Food-Tracker is An Open Source Privacy-Friendly Calorie Tracker
What is Food-Tracker app? Food-Tracker is a free open-source Android app that helps you track calories in thousands of food items. The app is available to download, use for free from F-Droid and Google Play application store. Beside the search, the user also can save the items and bookmark them
Healthcare
CalorieScope is A Calories Calculator for Android That Cares About Your Privacy
CalorieScope is an android application which is designed to help the user to maintain healthy lifestyle. Unlike most of the calorie calculator apps, this app does not contain any third-party script or share your details online to any service. The user will be able to maintain the record of physical
Sport
openWorkout is an An Outstanding Open-source Workout Assistant for Android
What is openWorkout? openWorkout is a free open-source android app for athletes or anyone who want to organize their workout and exercise routines. It puts your privacy first, as it does not share any of your private data or even collect them. Features * Pre-configured 7 minutes workout plan and beginners
programming
16 Open-source Physics Simulation Engine
What is a physics simulation engine? A physics simulation engine is a custom software engine that grants developers add visual effetcs, simulate and tweak objects and enviroments accroding to the law of physics in 2D, 3D or both. With physics engine software, developers and artists apply real-world physical properties, such
Web-based Apps
GeoServer GeoServer is an Open-source Geospatial Server
What is GeoServer? GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. Designed for interoperability, it publishes data from any major spatial data source using open standards. Being a community-driven project, GeoServer is developed, tested, and supported by a diverse
Development
Aimybox: an open-source voice assistant SDK
Aimybox is an open-source SDK that adds voice assistant to your Android and iOS App
Cross-Platform
Chatty is an open-source Twitch Chat Client Alternative
Chatty is a free open-source Twitch chatting app that runs on Windows, Linux, and macOS. It has a retro look that resemble classic IRC clients. Chatty has a built-in streaming support which allows users to watch, and stream their plays with one click. The app is built using Java programming
Development
15 Open-source Text To Speech TTS Apps and Libraries
What is Text-to-Speech? Text-to-speech or speech synthesis is an artificially generated human-sounding speech from text that recognize words and formulate human speech. The first Text-To-Speech system was introduced to the world in 1968 by Noriko Umeda et al, at the Electrotechnical Laboratory in Japan. In 1961, physicist John Larry Kelly,