3Cols Alternatives

Boostnote is an open-source note-taking​ app.

Simple Snippets is place to easily create and manage your code snippets. The main features of the Simple Snippets: code highlighting, snippet groups, public and private snippets.

Lepton image compression: saving 22% losslessly from images at 15MB/s

DASH is a secure, blockchain-based global financial network which offers private transactions.

A customizable snippet manager made for developers and people who work with code

Quiver is a notebook built for programmers.

Simple and fast online snippet manager. Save any kind of snippets.

Enterprise source code management platform for behind-the-firewall Mercurial, Git & Subversion. Secure and Open Source.

SnippetsLab is an easy-to-use snippets manager.

Manage Code Snippets and Protect Sensitive Data!

The beautiful way to organize code snippets.

Create, review and deploy code together with GitLab open source git repo management software | GitLab