
GitHub Gist
Lepton
SnippetsLab
Quiver
Cacher
Codespace
Pastebin.com
An open-source desktop workspace for developers: code snippets, technical notes, HTTP requests, calculations, and developer tools in one local-first app.

one sec
Freedom.to
Cold Turkey
Forest App
AppBlock
FocusMe
Focus App
Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.

Which is more popular?
Based on our record, massCode seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | masscode.io | opal.so |
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In their own words, as submitted to SaaSHub.


massCode is an open-source desktop workspace for developers, available on macOS, Windows, and Linux. It brings together code snippets, technical notes, a full-featured HTTP client, calculations, and developer tools. Keep code, documentation, and API requests together and link related entries...
No description of Opal.so yet.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Opal.so yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using massCode and Opal.so. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


To be honest, it didn't take off as I hoped. I struggled to attract enough users to make it sustainable. Eventually, I lost motivation and abandoned it to focus on my other open-source project, massCode. - Source: dev.to / 9 months ago
`cask "lepton"` [link][oss] + `cask "masscode"` [link][oss] for storing snippets as github gists or locally. Source: over 3 years ago
There are a plethora of snippet manager apps for developers, with syntax highlighting, etc, available for macOS, eg: - SnipperApp - Snip - massCode - SnippetsLab - Quiver. Source: about 4 years ago
Tracking Opal.so since May 2025.
When comparing massCode and Opal.so, you can also consider the following products.

Gist is a simple way to share snippets and pastes with others.
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one sec uses Shortcut automation in order to empower you to spend more time in the real world.
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Lepton image compression: saving 22% losslessly from images at 15MB/s
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Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.
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SnippetsLab is an easy-to-use snippets manager.
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Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
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