GitJournal is described as 'Manage your Notes from any Git Repo' and is a Note-taking Tool in the Office & Productivity category. There are more than 100 alternatives to GitJournal for a variety of platforms, including Windows, Android, Mac, Online / Web-based and iPhone. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Microsoft OneNote. Other great apps like GitJournal are Google Keep (Free), Evernote (Freemium), Simplenote (Free, Open Source) and Zim (Free, Open Source).
To Round is an easy-to-use task manager for iOS and Android with clear interface, designed for visual thinkers. It is a simple yet powerful app, which turns a routine activity of getting tasks listed and scheduled into a delightful experience.
Memrify is a free multiplatform secure place for your all of your personal and collective memories. It is built on a strong filtering system, so your memories are retrieved in no time. Give it a try, you can log in easily with facebook or create a new account in 15 seconds.
Put your notes and files into OnePile workspaces. Securely sync your data across devices without the need of a central server. Data can be encrypted before leaving your device providing privacy protecting end-to-end encryption.