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FlowiseAI
✓ verifiedFreemium
Open-source visual builder for LLM agents, chatbots and RAG workflows, with API, SDK and self-hosting options.
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Angular.dev
✓ verifiedFree
Google's open-source TypeScript framework for building scalable web apps, featuring signals, reactivity and first-party tooling.
👁 1.1M/mo
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Lovable
✓ verifiedFreemium
AI app builder that turns chat prompts into working web apps and sites, with credit-based build and deploy.
👁 35M/mo♥ 69K
Pricing
No public pricing
Free: $0 (2 flows, 100 predictions/mo, 5MB)
Starter: $35/mo (unlimited flows, 10,000 predictions/mo)
Pro: $65/mo (50,000 predictions/mo, 5 users)
No public pricing
No public pricing
Core features
- ✦Fast tensor operations
- ✦Differentiable tensors for gradient-based optimization
- ✦Network connectivity
- ✦Integration with Bun and Flashlight
- ✦Support for GPU computation with CUDA (Linux) and CPU computation (macOS)
- ✦Visual builder for multi-agent and chatflow systems
- ✦RAG from various data sources
- ✦Human-in-the-loop review
- ✦Execution traces with Prometheus/OpenTelemetry
- ✦API, SDK and embeddable chat widget
- ✦100+ LLMs, embeddings and vector DBs; on-prem or cloud
- ✦Signals-based fine-grained reactivity
- ✦Built-in control flow and deferrable views
- ✦Server-side rendering and hydration
- ✦First-party routing, forms and dependency injection
- ✦AI-forward tooling and MCP resources
- ✦In-browser tutorials and playground
- ✦Chat-to-app and website generation
- ✦Real-time prototype building
- ✦One-click deploy and hosting
- ✦Templates to start projects
- ✦Credit-based building with shared workspaces
- ✦You own your code and data
Use cases
- →Creating and manipulating datasets
- →Training small machine learning models
- →Implementing advanced training and inference logic
- →Building applications that require tensor computations
- →Prototyping and shipping LLM chatbots
- →Building autonomous multi-agent workflows
- →Adding AI features to existing applications
- →Building scalable single-page apps
- →Enterprise web application development
- →Performance-critical front ends
- →Learning modern web development
- →Build web apps without coding
- →Prototype product ideas quickly
- →Create landing pages and sites
- →Ship internal tools
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