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PromptLayer
✓ verifiedFree
Prompt engineering, management, and LLM observability platform.
212K visits/mo
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CopilotKit
✓ verifiedFreemium
Open-source React/Angular SDK and platform for embedding agentic, generative-UI copilots into apps, Slack and Teams.
170K visits/mo
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Coursology
✓ verifiedPaid
AI homework helper with scan-and-solve, file chat, quizzes, flashcards and lecture note-taking across subjects for students.
109K visits/mo2.1K saves
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wuko
✓ verifiedFree
Beta email tool that summarizes any web page, PDF, or YouTube link and lets you ask follow-up questions entirely by email.
2.6K visits/mo29K saves
Pricing
No public 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)
Annual: $12.50/mo billed yearly
Monthly: $24.99/mo
No public pricing
Core features
- ✦Prompt management
- ✦Prompt evaluations
- ✦LLM observability
- ✦Team collaboration
- ✦Version control for prompts
- ✦A/B testing of prompts
- ✦Prompt Registry
- ✦Historical backtests
- ✦Regression tests
- ✦Usage monitoring
- ✦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
- ✦Scan-and-solve homework across subjects
- ✦Chrome extension for answers
- ✦Chat with uploaded files and materials
- ✦AI quizzes and flashcards
- ✦AI lecture note-taking
- ✦AI study podcasts
- ✦Email-a-URL workflow to get an AI summary back
- ✦Reply-based follow-up Q&A on the summarized content
- ✦Works on web pages, PDF links, and YouTube videos
- ✦Responds in the language you write in, independent of source language
- ✦Chrome extension for prefilled summary-request emails
- ✦Shareable insight threads via email
Use cases
- →Scaling customer support automation with LLMs
- →Empowering non-technical teams with prompt engineering
- →Building personalized AI interactions
- →Debugging LLM agents
- →Improving content creation processes
- →Managing and monitoring prompts with a team
- →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 step-by-step homework solutions
- →Studying from uploaded course materials
- →Turning lectures into notes and quizzes
- →Readers wanting quick digests of long articles
- →Researchers extracting insights from PDFs without uploading files
- →Multilingual readers getting gist of foreign-language content
- →Users preferring email workflows over installing new apps
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