How do you manage re-usable code snippets?

This thread asks which capabilities individuals maintain round to repeat into varied tasks.

Which functions/methods do you…

JoelBonetR ・ May 9 ・ 1 min read

#javascript
#react
#node
#discuss

However my query is… How do you handle this? Which applications do you employ to handle your personally re-usable code snippets? Textual content editor? Observe-taking app? Thanks!