Snippet manager backed by GitHub Gist (Win/Mac/Linux). It comes with support for unlimited public/private snippets, tags, search, sharing, rich text editor, markdown rendering, dashboard, immersive reading mode, etc.
Ranked in these QuestionsQuestion Ranking
Pro Open source
Lepton is free and open source and is released under the MIT license.
Pro Multi platform support
Supports MacOS, Linux and Windows.
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 Support for GitHub Enterprise
Pro Supports Jupyter Notebook viewer
Pro Lepton refuses any donations in favor of Wikipedia
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.