Don't is a consumer product built for developers and learners.

What platforms does Don't run on?

Don't runs on the web and embeddable surfaces.

Is Don't still active?

Unverified. Don't has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Don't?

Similar projects tracked by PulseGate include Learn Awadhi. Speak Awadhi. St, Mindpop, and PianoFlow Studio.

Don't is developed by 30 Seconds of Knowledge.

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Don't

Name: Don't
Author: 30 Seconds of Knowledge

30secondsofknowledge.comEducation & learning

30 Seconds of Knowledge is a browser extension that displays a real code snippet every time you open a new tab. It supports multiple programming languages and helps developers and learners stay sharp with quick, digestible coding tips.

FreeMITWebEmbeddable

Visit 30secondsofknowledge.com

966stars

120forks

5features

2019since

Overview

5 features

In the Education & learning space, Don't takes a focused approach. 30 Seconds of Knowledge helps developers learn and retain coding concepts by showing code snippets on each new tab. It is built as a consumer product for developers and learners. Don't costs nothing to use. It runs on the web and embeddable surfaces.

Behind Don't is 30 Seconds of Knowledge, and it first shipped in 2019. Development happens publicly on GitHub with 966 stars. Key capabilities include code snippets, new tab integration, and multiple languages.

Code snippets
New tab integration
Multiple languages
Favorites
Random snippet

Built with & integrations

Framework

Next.jsReact

Hosting

Vercel

Runs on

BrowserEmbeddable

Detected from

React: data-reactroot in the HTML
Next.js: /_next/static/ in the HTML · __next_f in the HTML
Vercel: x-vercel-id header · x-vercel-cache header

Trust & compliance

License

MIT

Verified signals

HTTPSFree tierGitHub · ★ 966Store-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed26 Jun · 21:32 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Don't

What is Don't?: 30 Seconds of Knowledge helps developers learn and retain coding concepts by showing code snippets on each new tab. It is catalogued under Education & learning on PulseGate.
Who is Don't for?: Don't is a consumer product built for developers and learners.
Does Don't have a free plan?: Yes — Don't is free to use.
What platforms does Don't run on?: Don't runs on the web and embeddable surfaces.
Is Don't still active?: Unverified. Don't has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Don't?: Similar projects tracked by PulseGate include Learn Awadhi. Speak Awadhi. St, Mindpop, and PianoFlow Studio.Learn Awadhi. Speak Awadhi. St Mindpop PianoFlow Studio
Who makes Don't?: Don't is developed by 30 Seconds of Knowledge.
How long has Don't been around?: Don't first shipped in 2019.

At a glance

Pricing: Free
Platforms: Web
Languages: English
Open source: Yes · ★ 966
License: MIT
Built for: developers and learners
Model: B2C
Solves: 30 Seconds of Knowledge helps developers learn and retain coding concepts by showing code snippets on each new tab.

Registered as

GitHub: petrovicstefanrs/30_seconds_of_knowledge
Chrome Web Store: mmgplondnjekobonklacmemikcnhklla
Firefox Add-ons: 30-seconds-of-knowledge

Developer

30 Seconds of Knowledge

Team

GitHub

Open source

View on GitHub

Stars: 966
Forks: 120
Open issues: 15
Last commit: 15 Sept 2024
Commits 90d: 0
Contributors: 7
Authorship: Team
Default branch: master
Latest release: v2.0.0 · 18 Mar 2024

Live coverage

Identity confidence: High · 96.5
Indexed: 26 Jun 2026
Lifecycle: Unverified
Last seen: 26 Jun 2026

Identity audit (11)

Slug: 30-seconds-of-knowledge-30secondsofknowledge-com
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 26 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 11 Jul 2026
Canonical URL: https://30secondsofknowledge.com/

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