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Caktus
✓ verifiedFreemium
AI study suite for students with 25+ tools including an essay writer, math solver, citation finder and text humanizer.
71K visits/mo30K saves
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Inbox Zero
✓ verifiedFree trial
Open-source AI email assistant that auto-labels mail, drafts replies in your voice and helps clear your inbox from web or Slack.
68K visits/mo1.6K saves
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Agentset
✓ verifiedFreemium
Open-source RAG infrastructure with SDKs and an API for developers to build accurate, cited AI chat and search on their own data.
24K visits/mo
Pricing
Starter: $9/mo
Pro: $18/mo
Expert: $25/mo
No public pricing
Starter: $18/user/mo
Plus: $28/user/mo
Professional: $42/user/mo
Free trial available
Free: $0 (1,000 pages, 10,000 retrievals)
Pro: $49/mo (10,000 pages, unlimited retrievals)
Development: Free
Standard: Starting from $68/month
Enterprise: Limited-time offer
Core features
- ✦Access to multiple AI models (GPT-4, Claude 3, Mixtral)
- ✦PDF analysis
- ✦AI image generation
- ✦AI data scientist
- ✦AI visualizations
- ✦Music composition
- ✦AI essay writer with APA/MLA/Chicago/Harvard citations
- ✦Step-by-step math solver
- ✦Research and scholarly citation finder
- ✦AI text humanizer with style presets
- ✦Flashcard and study-material generation
- ✦Automatic email labeling and categorization
- ✦Pre-drafted replies in your voice
- ✦Bulk unsubscribe and archive
- ✦Auto-files attachments to Drive/OneDrive
- ✦Works from web, Slack and Telegram
- ✦Open-source and self-hostable, SOC 2 Type 2
- ✦Managed RAG pipeline (extraction, chunking, retrieval)
- ✦Automatic source citations
- ✦Multimodal support (images, tables, graphs)
- ✦Model-agnostic: choose vector DB, embeddings, LLM
- ✦Metadata filtering
- ✦MCP server and AI SDK integration
- ✦22+ file-format ingestion
- ✦Fully SQL-compatible vector database
- ✦Fast and powerful queries (vector search, text search, filtered search, complex queries)
- ✦Enhanced RAG effectiveness
- ✦High-performance and cost-efficient MSTG vector engine
- ✦SQL/Relational Vector Database
- ✦Powerful Full-Text Search (BM25)
- ✦Integrates with AI Stack
- ✦Security and Compliance (SQL-based RBAC, SOC 2, ISO 27001 Compliance)
Use cases
- →Chat with PDF documents to get instant insights
- →Turn data into easy-to-understand visuals
- →Create high-quality images with AI
- →Manage tasks more efficiently with AI assistance
- →Drafting cited essays
- →Working through math problems
- →Finding and formatting academic sources
- →Creating study materials from notes
- →Reaching inbox zero quickly
- →Drafting replies faster
- →Cleaning up subscriptions
- →Managing email without switching apps
- →Build a chatbot over private documents
- →Add semantic or deep search to an app
- →Ground answers in a large corpus with citations
- →Ship production RAG without building it in-house
- →RAG for Domain Knowledge Base
- →Recommendations
- →Chatbot
- →Image Search
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