Self-hostable software: Pastebins
Hoarder App
A self-hostable bookmark-everything app with a touch of AI for the data hoarders out there.
DetailsKarakeep
Bookmark-everything app with a touch of AI for the data hoarders out there.
DetailsPrivateBin
Minimalist pastebin/discussion board where the server has zero knowledge of hosted data.
DetailsSilverBullet
Note-taking application optimized for people with a hacker mindset.
Details
Password Pusher
Dead-simple application to securely communicate passwords (or text) over the web. Passwords automatically expire after a certain number of views and/or time has passed.
Details
Opengist

Yopass
Secure sharing of secrets, passwords and files.
Details
Enclosed
Minimalistic web application designed for sending private and secure notes.
Details
ByteStash
Pastebin and file storage service with a simple web interface. Supports syntax highlighting, optional user authentication and public sharing.
Details
rustypaste
Hemmelig

dpaste
Simple pastebin with multiple text and code option, with short url result easy to remember.
Details