When comparing Lepton vs 3Cols, the Slant community recommends Lepton for most people. In the question“What is the best code-snippets manager?” Lepton is ranked 1st while 3Cols is ranked 12th. The most important reason people chose Lepton is:
Supports MacOS, Linux and Windows.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Multi platform support
Supports MacOS, Linux and Windows.
Pro Open source
Lepton is free and open source and is released under the MIT license.
Pro GitHub gist integration
Use GitHub Gist for cross-platform sync.
Pro Language sensitive syntax highlighting
Pro Support for Linux
Provides package in AppImage format which is distribution independent.
Pro Supports markdown
Pro Lepton refuses any donations in favor of Wikipedia
Pro Support for GitHub Enterprise
Pro Supports Jupyter Notebook viewer
Pro 100% Free
Funded instead from a Patreon.
Pro Easy to share snippets
You can either share with an account or an organisation, or if someone doesn't have an account yet, you can even just send them a link.
Pro Cloud based
Can be accessed anywhere on any device and installed via PWA.
Pro Export function
You can export all of your snippets in a .zip from the site.
Pro Easy to use
Pro Lots of different languages supported
There is syntax highlight support for over 25 different languages.
Pro Public snippet repository
While not always useful, it is interesting to look through the repository of snippets people have made public.
Pro API
Create your own custom software with 3Cols API and Nuget package.
Pro Fantastic editor
The editor is quick and easy to use.
Cons
Con Built on top of Electron
Electron is a memory hog.
Con Only works with GitHub Gists
As a GitHub Gist client that's not a con (or a problem), but as a snippets manager it is.
Con No integration with editors
There is no integration available with the editors.
Con No hierarchy for snippets
You cannot create hierarchies with folders or tags.
Con macOS version behave not like a mac application
Con May keep you out from logging in and accessing your snippets
Con No desktop version
Con Doesn't integrate with IDE
Con Super slow sometimes
You may not be able to login when you need to access your snippets.