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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
Brainfish logo
Brainfish
✓ verifiedPaid

AI self-service support agents for B2B that resolve customer questions across chat, email, in-product and Slack.

9.1K visits/mo5.3K saves
Recall logo
Recall
✓ verifiedFreemium

AI knowledge base that saves, summarizes and connects articles, videos, podcasts and PDFs into a graph you can chat with.

152K visits/mo1.5K saves
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

Free: $0 (10 AI summaries/mo)
Plus: $10/mo billed yearly (unlimited summaries)
Max: $38/mo billed yearly (bulk actions, model choice)
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
  • AI support agents across chat, email, in-product, Slack
  • Grounded answers with citations on every reply
  • Personalization by plan, role, region or account
  • Ingests docs, tickets, calls and knowledge bases
  • Evaluation analytics and gap detection
  • Enterprise security (SOC 2, ISO 27001, data residency)
  • One-click saving of articles, videos, podcasts, PDFs
  • AI summaries of saved content
  • Automatic tagging and knowledge-graph linking
  • Chat with your knowledge using GPT, Claude or Gemini
  • Spaced-repetition quizzes
  • Browser extension, web and mobile apps; API/MCP access
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
  • Automating B2B customer support
  • Deflecting repetitive support tickets
  • Powering internal team copilots
  • Surfacing upsells inside support chats
  • Building a personal 'second brain'
  • Summarizing long content to save time
  • Chatting with your own saved knowledge
  • Retaining what you read via spaced repetition
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