Apps with 'Cross-platform' feature
GIMP is a free program for such photo retouching, image composition and image authoring. Essentially it's the closest thing to Photoshop you can get for free.
A safe home for all your data – Access & share your files, calendars, contacts, mail & more from any device, on your terms.
Evernote is a cross-platform, freemium app designed for note taking, organizing, and archiving.
Save webpages to read later, and eliminate cluttering of bookmarks with sites that are merely of a one-time interest.
A digital notebook application that gives people one place to gather notes and information. .
BleachBit deletes unnecessary files to free valuable disk space, maintain privacy, and remove junk.
KeePass Cross-Platform Community Edition - A community maintained fork of the popular KeePassX application with more features and frequent updates.
An open source note taking and to-do application with synchronisation capabilities.
Remote desktop app for sharing screens and files sharing across most devices focusing on speed and security.
With so many tools, it's hard to keep everyone on the same page. Notion is a new tool that unifies them all.
Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.
Standard Notes is a simple and private notes app. It allows you to write and sync your notes across all your devices, including your iPhone, iPad, Mac, and web browser.
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!
A free, open-source Integrated Development Environment for software developers.
Cryptomator provides transparent, client-side encryption for your cloud. Protect your documents from unauthorized access.