Find the free tier that fits your stack.

Kumu

Kumu is a relationship mapping platform for organizing complex data into interactive maps. It supports stakeholder mapping, systems mapping, social network mapping, community asset mapping, and concept mapping, with built-in presentation and publishing features for sharing maps online.

Webex is a cloud collaboration platform that combines meetings, calling, messaging, webinars, events, whiteboarding, polling, and video messaging in one service. The pricing page lists a free plan wit...

Updraft

Updraft is a mobile app distribution and beta testing platform for iOS, Android, and Windows. It supports uploading builds, managing app environments, distributing releases to internal testers, extern...

Metalama is an open-source patterns and architecture toolkit for C# built on Roslyn. It lets developers define aspects and project fabrics in C# so the compiler can generate repetitive code at build time and report architecture violations in the IDE as code is written.

EmailGuard API

EmailGuard API is an email validation service that checks addresses against live DNS and MX records, identifies disposable and role-based emails, and returns typo suggestions such as gmil.com to gmail.com. It is exposed as an API and can be used from a React component or backend form flow.

Gcore

Gcore is a cloud, edge, security, and AI infrastructure platform with products for virtual machines, bare metal, managed Kubernetes, object storage, CDN, DNS, DDoS protection, WAAP, and serverless edg...

Reactflow

Reactflow is a website analytics and session replay platform that records visitor activity, generates heatmaps, tracks funnels, and surfaces bugs, console logs, and feedback from the same tracking script.

Esper

Esper is an enterprise mobile device management platform for dedicated devices running Android, iOS, Windows, and Linux. It provides cloud-based device enrollment and provisioning, kiosk and multi-app...

Wormhole

Wormhole is a file sharing service that sends files through an end-to-end encrypted browser workflow. Users select files or drag and drop them, then receive a link that automatically expires after delivery.