HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.
You can use it to easily collaborate on notes, graphs and even presentations in real-time. All you need to do is to share your note-link to your co-workers and they’re ready to go.
Novu provides a unified API that makes it simple to send notifications through multiple channels, including In-App, Push, Email, SMS, and Chat. With Novu, you can create custom workflows and define conditions for each channel, ensuring that your notifications are delivered in the most effective way possible.
Send push notifications to your phone or desktop using PUT/POST
Free and Open Source tool for building mock APIs. Create stable development environments, isolate yourself from flakey 3rd parties and simulate APIs that don't exist yet.
Lemmy is a selfhosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means that there is no advertising, tracking, or secret algorithms.
Gitleaks is an open-source SAST (static application security testing) command line tool for detecting and preventing hardcoded secrets like passwords, API keys and tokens in Git repositories. It can be used as a Git pre-commit hook or in the CI/CD pipeline.
TruffleHog is an open-source SAST (static application security testing) tool for detecting secrets in various sources. While GitHub and GitLab repositories are the most popular use cases, it can also be used to scan cloud storage buckets like S3 and GCS, local files and directories and CircleCI logs. Developers can set up TruffleHog as a pre-commit hook or scan the history of existing repositories in an entire GitHub organization to detect secrets.
Ockam is a suite of open source tools, programming libraries, and managed cloud services to orchestrate end-to-end encryption, mutual authentication, key management, credential management, and authorization policy enforcement – at massive scale.
A free and open source audio editor for the web derived from Audacity
The open-source notifications infrastructure. A fully-featured microservice to send SMS, E-mail, Slack and Push notifications. Embeddable notification center for React with real-time updates, content management, and much more...
Astro is an all-in-one web framework for building fast, content-focused websites.
Open source meeting scheduling tool. Send a link, let others book a slot. Calendly alternative.
Paged.js is a free and open source JavaScript library that paginates content in the browser to create PDF output from any HTML content. This means you can design works for print (eg. books) using HTML and CSS!
Paged.js follows the Paged Media standards published by the W3C
With email aliases , you can be anonymous online and protect your inbox against spams and phishing. Open-source.
A free, open-source, cross-platform intermedia sequencer for precise and flexible scripting of interactive scenarios.
Control and score any OSC-compliant software or hardware: Max/MSP, PureData, openFrameworks, Processing…
Cloud Carbon Footprint is an open source tool that provides visibility and tooling to measure, monitor and reduce your cloud carbon emissions. Architected to work for multiple cloud providers including, AWS, Google Cloud, and Microsoft Azure, it displays cloud carbon metrics in a single holistic view.
The Synthesis ToolKit in C++ (STK) is a set of open source audio signal processing and algorithmic synthesis classes written in the C++ programming language.
thumbor is a smart imaging service and enables on-demand cropping, resizing, applying filters and optimizing images.
Cropping photos automatically can be a frustrating experience with severed heads involved. thumbor uses AI for smart detection.
thumbor is an HTTP server and you can create as many different images as you want just by varying path parameters.
Ponzu is a powerful and efficient open-source HTTP server framework and CMS. It provides automatic, free, and secure HTTP/2 over TLS (certificates obtained via Let's Encrypt), a useful CMS and scaffolding to generate content editors, and a fast HTTP API on which to build modern applications.
Flyte is an open-source, container-native, structured programming and distributed processing platform implemented in Golang. It enables highly concurrent, scalable and maintainable workflows for machine learning and data processing.
A scalable, open source and free Security Incident Response Platform, tightly integrated with MISP (Malware Information Sharing Platform), designed to make life easier for SOCs, CSIRTs, CERTs and any information security practitioner dealing with security incidents that need to be investigated and acted upon swiftly.
An open-source distributed storage service you can self-host to fullfill many needs.
picfit is a reusable Go server to manipulate images (resize, thumbnail, etc.).
It will act as a proxy on your storage engine and will be served ideally behind an HTTP cache system like varnish.
It supports multiple storage backends and multiple key/value stores.
Restic is a modern backup program that can back up your files from Linux, BSD, Mac and Windows to many different storage types, including self-hosted and online services
Open Source Notion Alternative
Dendron is an open-source, local-first, markdown-based, note-taking tool. It's a personal knowledge management solution (PKM) built specifically for developers and integrates natively with IDEs like VS Code and VSCodium.
Open source emojis for designers, developers and everyone else!
MeiliSearch is a powerful, fast, open-source, easy to use and deploy search engine. Both searching and indexing are highly customizable. Features such as typo-tolerance, filters, and synonyms are provided out-of-the-box.
Budibase is an open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s
Backstage is an open platform for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure and enables your product teams to ship high-quality code quickly — without compromising autonomy.
Backstage unifies all your infrastructure tooling, services, and documentation to create a streamlined development environment from end to end.
Smooth git handover for remote pair/mob programming.
mob is an open source command line tool written in go
mob is the fastest way to hand over code via git
mob keeps your branches clean and only creates WIP commits on temporary branches
mob has a shared team timer timer.mob.sh
Airflow is a platform created by the community to programmatically author, schedule and monitor workflows.
Jina is a neural search framework that allows to build deep learning search applications in minutes. It provides scalable indexing, querying, understanding of any data: video, image, long/short text, music, source code, PDF, etc.
CryptoZombies is a free, open source, interactive code school that teaches you to build games on Ethereum. The course is designed for beginners to Solidity and starts off with the absolute basics.
Growth Book is an open source experimentation platform designed for companies that want to bring A/B testing in-house, but don't want to build it themselves.
Apache Superset is a modern data exploration and visualization platform
Keycloak is an Open Source Identity and Access Management solution for modern Applications and Services.
Pyroscope is an open source continuous profiling platform. It will help you:
Open Streaming Platform (OSP) is an open-source, RTMP streamer software front-end for Arut's Nginx-RTMP Module. OSP was designed as a self-hosted alternative to services such as Twitch.tv, Ustream.tv, Mixer, and Youtube Live.
OSP uses Python 3, the Flask Micro-Framework, Nginx-RTMP, VideoJS, Bootstrap, and other modules to build a home for your live streams, videos, and community.
Temporal is a microservice orchestration platform which enables developers to build scalable applications without sacrificing productivity or reliability. Temporal server executes units of application logic, Workflows, in a resilient manner that automatically handles intermittent failures, and retries failed operations.
Plausible is a lightweight and open-source website analytics tool. It doesn’t use cookies and is fully compliant with GDPR, CCPA and PECR.
Theia is an open-source cloud & desktop IDE framework implemented in TypeScript.
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub.
You can use Foam for organising your research, keeping re-discoverable notes, writing long-form content and, optionally, publishing it to the web.
Foam is free, open source, and extremely extensible to suit your personal workflow. You own the information you create with Foam, and you’re free to share it, and collaborate on it with anyone you want.
Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
This is software for collaborative live coding. On one machine, you run an extramuros "server". Then, from as many machines as you like, you use a web browser to connect to the server and code into shared text buffers. Finally, and again from as many machines as you like, your run the extramuros "client" code in order to receive code from the server and pipe it to the language interpreter of your choice (SuperCollider, Tidal, etc). Think of the "client" code as a way for machines to listen in on a public stream of code.
Bazel is an open-source build and test tool similar to Make, Maven, and Gradle. It uses a human-readable, high-level build language. Bazel supports projects in multiple languages and builds outputs for multiple platforms. Bazel supports large codebases across multiple repositories, and large numbers of users.
Scrapoxy hides your webscraper behind a cloud.
It starts a pool of proxies to relay your requests.
Now, you can crawl without thinking about blacklisting!
Open Source cross-platform SQL Editor and Database Manager. Use Beekeeper Studio to query and manage your relational databases, like MySQL, Postgres, SQLite, and SQL Server. Available for Windows, Mac, and Linux.
BlurHash is a compact representation of a placeholder for an image.
Kanboard is a free and open source Kanban project management software.