Free Software
K-9 Mail
K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email. K-9 Mail is designed for both novice and power users and offers lots of features for everyone. It provides features like Push IMAP Support, GPG & PGP/MIME support, Per Account Notifications, Unified Inbox, White and Dark Theme, and Signatures.
Zettlr
Zettlr is a web-based MarkDown editor built for the 21st century. As writing has become an essential part of our everyday life, Zettlr has made it its mission to redefine what writing means. The slim, fast, and versatile MarkDown editor let's you focus on whats important, to write and publish.
SparkleShare
SparkleShare is a free and open-source cloud storage and file synchronization software. By default SparkleShare uses Git as a storage backend and creates a special folder on your computer that you can add remotely hosted folders (directories). Projects in this folder will automatically stay synced with the host and its peers. When someone add, remove or edit files within a project, syncronization happens across peers. SparkleShare can be used with hosted services such as GitHub, but can also be hosted on your own server for more control.
IPFS
The InterPlanetary File System or IPFS for short is a distributed hypermedia protocol designed to be the new permanent web. IPFS uses peer-to-peer to distribute the network across machines and the globe. IPFS combines decentralized technologies like Git, BitTorrent, Kademlia and SFS to build what they think could be the new internet, or a subsystem of it.
Photopea
Photopea is an advanced image editor Free online editor supporting PSD, XCF, Sketch, XD and CDR formats. Including Adobe Photoshop, GIMP, Sketch App, Adobe XD, CorelDRAW. With Photopea you can create new images or open existing files from your computer.
Scrapy
Scrapy is a fast and powerful web scraping library written in Python. The framework makes it easy to crawl and extract structured data from the web services. Scrapy can be used for a wide range of purposes, ranging from data mining to service monitoring. Scrapy is maintained by Zyte and is released as free and open source software.
Sails.js
Sails.js is a JavaScript framework that makes it easy to build custom, enterprise-grade Node.js apps. It is designed to resemble the MVC architecture from frameworks like Ruby on Rails, but with support for the more modern, data-oriented style of web app development. The framework is suited for building applications with realtime features.
Komoot
With Komoot you can generateport-specific, topographic routing and tailor your next outdoor experience. The application allow you to find and share the deepest dirt track to the highest hiking trail, komoot gets you there and everywhere you want in between.