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CopilotKit logo
CopilotKit
✓ verifiedFreemium

Open-source React/Angular SDK and platform for embedding agentic, generative-UI copilots into apps, Slack and Teams.

170K visits/mo
Dr.Tail logo
Dr.Tail
✓ verifiedFreemium

24/7 AI-assisted pet-care app that centralizes health records and builds personalized, predictive care plans plus vet Q&A.

14K visits/mo
RewriteBar logo
RewriteBar
✓ verifiedFree trial

macOS menu-bar AI writing assistant that fixes grammar, translates, and runs custom text-rewriting actions in any app via keyboard shortcut.

15K visits/mo37K saves
DECipher logo
DECipher
✓ verifiedFree

Free AI assistant from I4DI that mines 13,000+ development documents to give tailored guidance for aid and NGO projects.

5.0K visits/mo
YouMind logo
YouMind
✓ verifiedFreemium

AI creation studio that gathers scattered notes and ideas, then helps shape them into articles, slides, videos, or webpages.

1.1M visits/mo
Pricing
Developer: $0 (1 seat, free forever, 200 threads)
Pro: $39/developer/mo (up to 5 seats, 5,000 threads)
Team: $500/mo (5 seats, 25,000 threads)

No public pricing

Standard: $29 one-time (1 device, 35,000 one-time credits)
Pro: $59 one-time (3 devices, 3,000,000 credits/month, includes 1-year AI Gateway subscription)
Extra Device add-on: $19 one-time
RewriteBar Gateway: $40/year (53 AI models, 3,000,000 credits/month)

Free trial available

No public pricing

No public pricing

Core features
  • React and Angular frontend SDKs
  • Agent-rendered generative UI
  • AG-UI agent-user interaction protocol
  • Connectors for LangChain and other frameworks
  • Pre-built customizable chat/sidebar components
  • Slack and Teams integrations
  • Thread and state persistence
  • Bonnie AI vet assistant for questions
  • Personalized predictive care plans
  • Centralized pet medical records
  • Nutrition and weight tracking
  • Automated care reminders
  • Shared/collaborative pet care
  • Grammar and spelling correction triggered from any app
  • Translation across 500+ languages
  • Custom, chainable AI actions (e.g., summarize, humanize, fix JSON)
  • PopClip integration and global keyboard shortcuts
  • Support for local AI models (Ollama, LM Studio, Apple Intelligence)
  • One-time license options instead of mandatory subscription
  • Side-by-side comparison of rewritten vs. original text
  • Multi-agent CrewAI system
  • Insights from 13,000+ USAID/DEC documents
  • Specialized agents (methodology, technical, MEL, compliance, etc.)
  • Contextualized, prompt-based recommendations
  • Free public-good access
  • Central capture space for saved articles, videos, and notes
  • AI prompts that surface connections and gaps in collected ideas
  • Generates articles, slide decks, videos, and webpages from source material
  • Prebuilt style templates for slides and pages
  • Available as desktop app, browser extension, and mobile app
  • Skill and prompt library for specific creation tasks
Use cases
  • Adding an AI assistant to a SaaS product
  • Building agents that render interactive UI
  • Deploying copilots across Slack and Teams
  • Connecting existing agents to a frontend
  • Getting quick answers to pet-health questions
  • Managing a pet's records and reminders
  • Building proactive care plans for a pet
  • Mac users wanting quick grammar and tone fixes without leaving their app
  • Multilingual users translating text inline while writing
  • Developers wanting one-click JSON error fixing or ASCII art generation
  • Privacy-conscious users preferring local AI models over cloud APIs
  • Designing development programs
  • Evaluating and monitoring projects
  • Ensuring USAID compliance
  • Structuring reports and communications
  • Creators consolidating research into finished blog posts or scripts
  • Professionals turning meeting notes into structured reports
  • Teachers converting lesson ideas into slides and video lessons
  • Product managers organizing scattered feedback into insights
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