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Tags: Backend and APIs
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1–18 of 18 · Most stars

A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently.

  • graph
  • modular
  • javascript
  • visual-programming

Open-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending providers.

High-performance data-driven data specification library for Clojure/Script.

  • clojure
  • clojurescript
  • validation
  • modelling

Workflow Engine by Optimajet, the embeddable workflow engine for .NET and C#. Approvals, state machines and long-running processes with a visual Workflow Designer, BPMN import and six databases.

  • approval-workflow
  • aspnet-core
  • bpmn
  • business-process-automation

Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.

  • anti-bot
  • behavioral-analysis
  • bot-detection
  • captcha