List of API Software | Last updated: October 13, 2026
This page lists the 384 tools in the TechZella directory that are classified under API, a platform in our taxonomy. Every profile summarises what the product does, who it suits, what it costs, and where it falls short, based on documented vendor and independent sources rather than hands-on testing. Examples in this group include 1Password, Canva, Descartes Systems Group, Grammarly Business, Magento (Adobe Commerce), Otter.ai, Scribie and Trellix Endpoint Security; the list is alphabetical and does not imply a ranking. Across these tools the industries most often documented are Education, Professional Services, Financial Services, Healthcare. The most common documented use cases are Workflow automation, Sales pipeline management, Hybrid events, Team collaboration. Tools here are most often also filed under CRM Software, Webinar Software, Virtual Event Software, Cloud Storage. To compare options, open each profile and read the Decision Snapshot, the pricing and total cost sections, and the Gotchas, then check the alternatives listed for the products you are considering. Features, pricing and availability change, so confirm current details with each vendor before you decide.
This page lists the 384 tools in the TechZella directory that are classified under API, a platform in our taxonomy. Every profile summarises what the product does, who it suits, what it costs, and where it falls short, based on documented vendor and independent sources rather than hands-on testing. Examples in this group include 1Password, Canva, Descartes Systems Group, Grammarly Business, Magento (Adobe Commerce), Otter.ai, Scribie and Trellix Endpoint Security; the list is alphabetical and does not imply a ranking. Across these tools the industries most often documented are Education, Professional Services, Financial Services, Healthcare. The most common documented use cases are Workflow automation, Sales pipeline management, Hybrid events, Team collaboration. Tools here are most often also filed under CRM Software, Webinar Software, Virtual Event Software, Cloud Storage. To compare options, open each profile and read the Decision Snapshot, the pricing and total cost sections, and the Gotchas, then check the alternatives listed for the products you are considering. Features, pricing and availability change, so confirm current details with each vendor before you decide.
These links use TechZella's existing product-to-taxonomy relationships. They are navigation aids, not independent endorsements.
Browse the current directory listings and open individual profiles for detailed feature, pricing and evidence information.
| # | Software / Tool | Best For | TechZella Score | User Rating | Pricing |
|---|---|---|---|---|---|
| 1 | Concrete CMS | Concrete CMS is an open-source, PHP-based content management system for websites and… | 8.2/10 | — | $0 / $4.99 |
| 2 | DatoCMS | DatoCMS is a cloud-based headless content management system with GraphQL content delivery,… | 8.2/10 | — | $0 / From €149 |
| 3 | Kit (formerly ConvertKit) | Kit is a web-based email marketing platform for creators, with newsletters, audience-growth… | 8.1/10 | — | $0 / $39 per month; about $33 per… |
| 4 | beehiiv | beehiiv combines newsletter publishing, email marketing, audience-growth tools, and monetization features with… | 8.0/10 | — | $0 / $49 |
| 5 | Flodesk | Flodesk is a web-based email marketing platform for designing and sending campaigns,… | 8.0/10 | — | $0 / $19 annually; $25 monthly |
| 6 | Kirby | Kirby is a self-hosted, file-based CMS with a customizable browser Panel, PHP… | 7.9/10 | — | €99 / €349 |
| 7 | Mailjet | Mailjet is a web-based email marketing and delivery platform with campaign tools,… | 7.9/10 | — | $0 / $9 |
| 8 | Sendlane | Sendlane is a web-based email marketing platform with campaign tools, behavioral automations,… | 7.8/10 | — | $100 / $0 |
| 9 | Zesty.io | Zesty.io is a cloud CMS for creating, managing, and publishing structured content… | 7.7/10 | — | $0 / $475 |
| 10 | Substack | Substack combines email newsletter publishing, a hosted publication site, subscriber management, and… | 7.6/10 | — | $0 / 10% of subscription revenue plus Stripe… |
Accelevents is event management software for planning and operating in-person, virtual, and hybrid events, with registration, ticketing, check-in, mobile apps, and reporting.
$0 / test eventHopin is a virtual, hybrid, onsite, and webinar event platform now operated as RingCentral Events.
$0 / 30 daysCvent is an event marketing, registration, attendee engagement, venue sourcing, and hospitality software platform for in-person, virtual, and hybrid events.
Free to build; usage-based fees when registrations are captured / Usage-basedRingCentral Events is a web-based platform for branded webinars, virtual, hybrid, and onsite events, with registration, engagement, analytics, integrations, and AI tools.
$0 / 30 daysAdobe Connect is a customizable web-conferencing platform for virtual training, webinars, online classrooms, meetings and interactive events.
$190 / year per hostZoho Webinar is browser-based software for hosting live and on-demand webinars, virtual events, training sessions, audience engagement, analytics, and lead workflows.
$0 / monthWebinarNinja is browser-based webinar software for live, automated, hybrid, series, and paid events, with email automation, analytics, integrations, and AI tools.
$0.30 per attendee / month, billed annuallyeWebinar turns recorded videos into automated, interactive webinars with chat, scheduling, registration, analytics, and integrations.
$99 / monthEverWebinar turns recorded presentations into scheduled, on-demand, or hybrid webinars with registration, engagement, follow-up, and analytics tools.
$1 / 14 daysBizzabo is an event management platform for planning, marketing, delivering and measuring in-person, virtual and hybrid events.
$499 per user, starting at $17,999 / year, billed annually