Technology · Transactional Email
4 websites in the live index use GroupCast as of October 2026. Download the full list of GroupCast websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects GroupCast on 4 websites.
Sample results for GroupCast. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #1 | swissgroupcastors.com | Swiss Group CastorsSwiss company specializing in castors and wheels for industrial and commercial applications | Swiss Group Castors | CH | en |
| #2 | groupcastillo.com | Group CastilloBusiness or professional services company with the Castillo brand | Group Castillo | US | en |
| #3 | groupcast.com | GroupCastDigital media, broadcasting, or group communication platform | GroupCast | US | en |
| #4 | groupcastaldo.it | Group CastaldoItalian company or brand associated with the Castaldo name | Group Castaldo | IT | it |
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The most-used Transactional Email technologies in the TechLeads index, by number of websites.
| No. | Technology | Websites | Share of Transactional Email | Relative size |
|---|---|---|---|---|
| 01 | MailChannels | 167,057 | 88.7% | |
| 02 | SMTP2GO | 8,999 | 4.8% | |
| 03 | BigCommerce Mail | 4,773 | 2.5% | |
| 04 | Mandrill | 3,755 | 2.0% |
TechLeads scans public websites and identifies GroupCast from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 4 websites using GroupCast. Open the sample table on this page or download the lead list.
GroupCast is not in the HTTP Archive history extract (about 4,000 names). The live TechLeads catalog still tracks it among 12,000+ technologies.
See related technologies and co-occurrence on this page. Historical competitor charts appear when HTTP Archive covers GroupCast.
Companies and websites using GroupCast in the TechLeads index include swissgroupcastors.com, groupcastillo.com, groupcast.com, groupcastaldo.it. The full list of 4 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Transactional Email alternatives to GroupCast are MailChannels (167,057), SMTP2GO (8,999), BigCommerce Mail (4,773).
TechLeads scans public websites and matches GroupCast by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
Yes. A one-time GroupCast dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Mass notification system.
Our comprehensive database contains 4 websites using GroupCast, making it the most complete GroupCast sites list available. This GroupCast customer websites directory helps businesses detect websites using GroupCast and identify potential leads.
Our GroupCast technology detection system scans millions of websites to identify those powered by GroupCast. This list of sites with GroupCast includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with GroupCast or exploring GroupCast adoption trends, our database provides comprehensive insights.
Each entry in our GroupCast 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 GroupCast and reach out to potential customers or partners.
Get instant access to the full list of sites with GroupCast in CSV format. Our dataset includes all 4 GroupCast 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 GroupCast powered websites.
