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Sites built with Mailcheck

30 launches via launch platforms Category: Javascript Library #49 of 347 in Javascript Library First seen: Jun 24, 2026 Last seen: Aug 7, 2026 Website: github.com

JavaScript library that suggests corrections for likely typos in email domains.

Found via: Product Hunt 28 · Hacker News 1 · PeerPush 1 · Other 1 · StackScope Discovery (Indie) 4 · StackScope Wider Web 1,462

View: Launch platforms All launches StackScope Discovery StackScope Wider Web All sites
Last 7 days 0.1% -0.2pp
Most used with WordPress, jQuery, Google Search Console
Top product types Games, Marketing, Education
Green hosting 70% vs 45% avg

Mailcheck has been detected on 30 launches we've crawled. The 7-day rolling share is 0.1%, roughly steady week on week. Most recent detection: Calcxi Reels Downloader, yesterday.

It's most commonly paired with WordPress, jQuery, and Google Search Console. By product type, the launches using it are most often Games (35%), Marketing (17%), and Education (13%). By domain ending, launches using it are 3.0 times as likely as the average launch to live on a .com domain. The 30 scored launches using Mailcheck average a StackScope score of 7.6 out of 10, against 6.3 across all launches we score.

What kind of products ship with Mailcheck

23 launches

Games
34.78%
Marketing
17.39%
Education
13.04%
Finance
8.70%
Health
8.70%
Social
8.70%
Content
4.35%
Hiring & HR
4.35%

Domain endings using Mailcheck

31 launches

  • .com 90.32%
  • .app 3.23%
  • .co 3.23%
  • .in 3.23%

Share of new launches using Mailcheck

Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.

0.1%
last 7 days
-0.2pp vs prior week
0.1%
August so far
4 of 4,475 launches
30
launches all time
since Jun 2026
Mailcheck daily detection trend 5% 2% 0% Jun Jul Aug Jun 24, 2026: Improved detection coverage for this technology. Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery. May 19 · 0 / 845 = 0.0% May 20 · 0 / 672 = 0.0% May 21 · 0 / 606 = 0.0% May 22 · 0 / 546 = 0.0% May 23 · 0 / 378 = 0.0% May 24 · 0 / 341 = 0.0% May 25 · 0 / 535 = 0.0% May 26 · 1 / 876 = 0.1% May 27 · 0 / 683 = 0.0% May 28 · 0 / 575 = 0.0% May 29 · 0 / 486 = 0.0% May 30 · 0 / 376 = 0.0% May 31 · 0 / 368 = 0.0% Jun 1 · 0 / 618 = 0.0% Jun 2 · 0 / 926 = 0.0% Jun 3 · 0 / 711 = 0.0% Jun 4 · 0 / 598 = 0.0% Jun 5 · 0 / 578 = 0.0% Jun 6 · 0 / 435 = 0.0% Jun 7 · 0 / 402 = 0.0% Jun 8 · 0 / 509 = 0.0% Jun 9 · 0 / 871 = 0.0% Jun 10 · 0 / 720 = 0.0% Jun 11 · 0 / 573 = 0.0% Jun 12 · 0 / 445 = 0.0% Jun 13 · 0 / 379 = 0.0% Jun 14 · 0 / 345 = 0.0% Jun 15 · 0 / 529 = 0.0% Jun 16 · 0 / 1046 = 0.0% Jun 17 · 0 / 899 = 0.0% Jun 18 · 0 / 672 = 0.0% Jun 19 · 0 / 542 = 0.0% Jun 20 · 0 / 442 = 0.0% Jun 21 · 0 / 382 = 0.0% Jun 22 · 0 / 572 = 0.0% Jun 23 · 0 / 895 = 0.0% Jun 24 · 1 / 736 = 0.1% Jun 25 · 0 / 617 = 0.0% Jun 26 · 0 / 533 = 0.0% Jun 27 · 0 / 432 = 0.0% Jun 28 · 0 / 383 = 0.0% Jun 29 · 0 / 501 = 0.0% Jun 30 · 0 / 801 = 0.0% Jul 1 · 0 / 794 = 0.0% Jul 2 · 1 / 601 = 0.2% Jul 3 · 0 / 496 = 0.0% Jul 4 · 1 / 410 = 0.2% Jul 5 · 0 / 367 = 0.0% Jul 6 · 0 / 550 = 0.0% Jul 7 · 0 / 926 = 0.0% Jul 8 · 2 / 774 = 0.3% Jul 9 · 0 / 734 = 0.0% Jul 10 · 1 / 604 = 0.2% Jul 11 · 0 / 482 = 0.0% Jul 12 · 1 / 441 = 0.2% Jul 13 · 1 / 600 = 0.2% Jul 14 · 1 / 923 = 0.1% Jul 15 · 0 / 768 = 0.0% Jul 16 · 1 / 837 = 0.1% Jul 17 · 1 / 691 = 0.1% Jul 18 · 1 / 503 = 0.2% Jul 19 · 2 / 487 = 0.4% Jul 20 · 0 / 628 = 0.0% Jul 21 · 2 / 953 = 0.2% Jul 22 · 1 / 825 = 0.1% Jul 23 · 1 / 769 = 0.1% Jul 24 · 0 / 378 = 0.0% Jul 25 · 0 / 443 = 0.0% Jul 26 · 0 / 483 = 0.0% Jul 27 · 1 / 668 = 0.1% Jul 28 · 2 / 938 = 0.2% Jul 29 · 3 / 762 = 0.4% Jul 30 · 2 / 629 = 0.3% Jul 31 · 0 / 542 = 0.0% Aug 1 · 2 / 542 = 0.4% Aug 2 · 0 / 394 = 0.0% Aug 3 · 0 / 558 = 0.0% Aug 4 · 0 / 814 = 0.0% Aug 5 · 1 / 693 = 0.1% Aug 6 · 0 / 580 = 0.0% Aug 7 · 1 / 480 = 0.2% Aug 8 · 0 / 414 = 0.0%
May 19, 2026 82 days Aug 8, 2026

How StackScope detects technologies

⋮ Jun 24, 2026: Improved detection coverage for this technology.

⋮ Jul 1, 2026: Adoption figures now count launches from launch platforms. Use the source view to include StackScope Discovery.

Javascript Library leaders

Tool % of launches % of category
#1 – Motion 5.58% 30.15%
#2 ▲1 React Router 4.24% 22.91%
#3 ▼2 jQuery 4.17% 22.50%
#4 – TanStack Router 1.67% 9.01%
#5 ▼2 GSAP 1.24% 6.69%
…
#49 ▲87 Mailcheck Current page 0.04% 0.21%

Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Javascript Library tool.Among July launches it ranked #38 in Javascript Library, up from #125 in June. All 347 in Javascript Library →

Often used with

Tool Launches
WordPress 30
jQuery 30
Google Search Console 26
Elementor 26
Google Analytics 23

Tools most often detected on the same launches as Mailcheck.

Highest-scoring launches using Mailcheck

The top launches by StackScope score among the 30 we've detected using Mailcheck.

Screenshot of Vinci - A Personal CRM using Nextcloud, a launch using Mailcheck Vinci - A Personal CRM using Nextcloud Jul 13, 2026 · score 9.2 Netherlands Screenshot of TheGameGloble - Swing Copters, a launch using Mailcheck TheGameGloble - Swing Copters Jul 23, 2026 · score 8.6 Games Screenshot of TheGameGloble - Tower Game, a launch using Mailcheck TheGameGloble - Tower Game Jul 22, 2026 · score 8.6 Games Screenshot of TheGameGloble - Spend Jeff Bezos Money, a launch using Mailcheck TheGameGloble - Spend Jeff Bezos Money Jul 21, 2026 · score 8.6 Games Screenshot of TheGameGloble - Spend Mr Beast Money, a launch using Mailcheck TheGameGloble - Spend Mr Beast Money Jul 21, 2026 · score 8.6 Games Screenshot of TheGameGloble - Spend Elon Musk Money, a launch using Mailcheck TheGameGloble - Spend Elon Musk Money Jul 19, 2026 · score 8.6 Games

Most recent of 30 launches using Mailcheck

Screenshot of Calcxi Reels Downloader, a launch using Mailcheck Calcxi Reels Downloader Aug 7, 2026 · score 7.8 Content Screenshot of Finance Futur, a launch using Mailcheck Finance Futur Aug 5, 2026 · score 4.4 Finance Screenshot of MissedQueries, a launch using Mailcheck MissedQueries Aug 1, 2026 · score 4.1 Marketing Screenshot of Giftana India, a launch using Mailcheck Giftana India Aug 1, 2026 · score 5.9 Screenshot of TheGameGloble - Leaderboard, a launch using Mailcheck TheGameGloble - Leaderboard Jul 30, 2026 · score 9.5 Social Screenshot of TheGameGloble, a launch using Mailcheck TheGameGloble Jul 30, 2026 · score 9.5 Games Screenshot of TheGameGloble - 3D Cube, a launch using Mailcheck TheGameGloble - 3D Cube Jul 29, 2026 · score 9.5 Screenshot of Bidding And Estimating, a launch using Mailcheck Bidding And Estimating Jul 29, 2026 · score 9.1 Screenshot of TheGameGloble - Chrome Dino, a launch using Mailcheck TheGameGloble - Chrome Dino Jul 29, 2026 · score 9.5 Games Screenshot of Nagman Calibration Services LLP, a launch using Mailcheck Nagman Calibration Services LLP Jul 28, 2026 · score 5.9 Screenshot of Marketing Agency, a launch using Mailcheck Marketing Agency Jul 28, 2026 · score 7.6 Marketing Screenshot of ApplyAssists, a launch using Mailcheck ApplyAssists Jul 27, 2026 · score 7.3 Romania Hiring & HR

Showing the most recent 12 of 30.

The StackScope API serves all 30 launches using Mailcheck, filterable and exportable, from £15 a month.

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