As of October 12, 2026, TechLeads detects Ace on 15,070 websites: 3.7% of Rich text editors detections, the 5th most-used of 15 Rich text editors technologies we track.
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TechLeads. "Companies Using Ace." Data as of October 12, 2026. https://techleads.fyi/technology/aceHTML link
<a href="https://techleads.fyi/technology/ace">Companies using Ace (TechLeads data)</a>Sample results for Ace
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #1,679 | Algotester | Algotester is a modern competitive programming platform, with a large archive of algorithmic problems, educational content, and regular competitions for high school and university students | - | - | - | ||
| #3,701 | Babel | - | - | - | - | ||
| #12,300 | Code Beautify and Code Formatter For Developers - to Beautify, Validate, Minify, JSON, XML, JavaScript, CSS, HTML, Excel and more | Free Online Tools like Code Beautifiers, Code Formatters, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel | - | - | - | ||
| #14,206 | Xm1 Math | - | - | - | - | ||
| #15,757 | CodeHS - Teach Coding and Computer Science at Your School | CodeHS | - | - | - | - | ||
| #16,771 | Snippets - Web Designer Wall | - | Web Designer Wall | US | en-US | ||
| #18,617 | eXist-db - The Open Source Native XML Database | High-performance native XML database engine and all-in-one solution for building applications. | - | - | - | ||
| #19,185 | UI Components XDSoft - XDSoft.net | Jodit PRO version of the powerful WYSIWYG | - | - | - | ||
| #25,985 | jscolor: JavaScript Color picker with Opacity (alpha channel) | - | - | - | - | ||
| #31,293 | H�bergement de texte - TextUp | H�bergeur de texte rapide, sans inscription, et qui supporte la coloration syntaxique. Contournez les limites de caract�res ! | - | - | - | ||
| #35,457 | Project Fluent | - | - | - | - | ||
| #36,521 | Foldit | - | - | - | - | ||
| #39,782 | ESS Open Archive - ESS Open Archive | The ESS Open Archive organization homepage on Authorea. | Essopenarchive | - | - | ||
| #43,036 | TeXample.net – LaTeX and TikZ examples | - | - | - | - | ||
| #46,985 | Ocean Watch – Introduction | Resource Watch | Ocean Watch description | - | - | en | ||
| #65,337 | Online PHP editor | Test code in 250+ PHP versions | Run your php code online; get statistics, vld output and compare output from all versions. | - | - | - | ||
| #69,993 | Flix | The Flix Programming Language | - | - | - | - | ||
| #72,760 | Saga - AI workspace for your notes, docs, and tasks | - | Saga | US | en | ||
| #72,765 | Cmd Markdown 编辑阅读器 - 作业部落出品 | Cmd Markdown 编辑阅读器，支持实时同步预览，区分写作和阅读模式，支持在线存储，分享文稿网址。 | - | - | - | ||
| #84,133 | Pencil Code | Pencil is a collaborative programming site for drawing art, playing music, and creating games. Pencil is also a place to experiment with mathematical functions, geometry, graphing, webpages, simulations, and algorithms. Programs are open for all to see and copy. | - | - | en | ||
| #86,558 | Learn Python - Free Interactive Python Tutorial | learnpython.org is a free interactive Python tutorial for people who want to learn Python, fast. | - | - | - | ||
| #87,411 | Salon.io - A Whole New Way Of Presenting Artwork Online | - | - | - | - | ||
| #88,706 | Fleet | Open device management for everyone | Open-source IT and security for teams with lots of workstations and servers. (Linux, macOS, Windows, cloud, data center, OT/ICS, Chrome) | - | - | - | ||
| #100,000 | GUVI | Learn to code in your native language | Take your tech career to the next level with GUVI's online programming courses. Learn in native languages with job placement support. Enroll now! | GUVI | US | en-us | ||
| #100,000 | Loading... | ByteXL Application | - | - | - |
Complete Ace website dataset in CSV. One-time purchase.
Secure checkout · 7-day download accessDistribution of websites using Ace across countries in the TechLeads database.
| Country | Sites |
|---|---|
| United States(US) | 97 |
| United Kingdom(GB) | 35 |
| France(FR) | 15 |
| Canada(CA) | 8 |
| WO(WO) | 6 |
| Italy(IT) | 4 |
| Germany(DE) | 4 |
| Australia(AU) | 4 |
| Russia(RU) | 3 |
Technologies most frequently detected on the same websites as Ace.
The most-used Rich text editors technologies in the TechLeads index, by number of websites. Ace accounts for 3.7% of Rich text editors detections (15,070 websites).
| Technology | Websites | Share of Rich text editors |
|---|---|---|
| TinyMCE | 141,582 | 34.9% |
| Froala Editor | 93,353 | 23.0% |
| Quill | 67,973 | 16.7% |
| CKEditor | 65,803 | 16.2% |
| Monaco Editor | 11,348 | 2.8% |
| Trix | 9,836 | 2.4% |
| N1ED | 461 | 0.11% |
| WysiBB | 338 | 0.08% |
| Editor.js | 255 | 0.06% |
Ace market share report: competitors, rank and usage over time
TechLeads scans public websites and identifies Ace from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 12, 2026. Counts only include websites we have scanned, so they can differ from other providers.
10 new sites in the last 12 weeks
Ace is a Rich text editors technology. Browse websites using Ace and discover companies that use it.
Our comprehensive database contains 15,070 websites using Ace, making it the most complete Ace sites list available. This Ace customer websites directory helps businesses detect websites using Ace and identify potential leads.
The largest concentrations of Ace websites are in US, GB, FR, based on our indexed country data.
Websites using Ace commonly also use jQuery, HSTS, Cloudflare, Google Analytics, Open Graph — reflecting typical Ace technology stacks.
Our Ace technology detection system scans millions of websites to identify those powered by Ace. This list of sites with Ace includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Ace or exploring Ace adoption trends, our database provides comprehensive insights.
Each entry in our Ace sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Ace and reach out to potential customers or partners.
Get instant access to the full list of sites with Ace in CSV format. Our dataset includes all 15,070 Ace customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Ace powered websites.
| Japan(JP) |
| 3 |
| New Zealand(NZ) | 3 |
| Switzerland(CH) | 2 |
| Colombia(CO) | 2 |
| China(CN) | 2 |
| Brazil(BR) | 2 |
| Netherlands(NL) | 2 |
| Czechia(CZ) | 2 |
| Libya(LY) | 1 |
| Israel(IL) | 1 |
| Honduras(HN) | 1 |
| Singapore(SG) | 1 |
| Mexico(MX) | 1 |
| Slovakia(SK) | 1 |
| Hungary(HU) | 1 |
| Portugal(PT) | 1 |
| Malaysia(MY) | 1 |
| Ecuador(EC) | 1 |
| Spain(ES) | 1 |
Sites where we first detected Ace, by week (UTC, weeks start Monday). Counts follow our discovery coverage, so weekly totals can vary.