OpenCrab

AI-powered learning assistant for visual knowledge building and deeper understanding. LearniAI is an AI-powered learning assistant that helps users transform their learning journey through AI tools and visual knowledge building. It allows users to create mind maps, connect concepts, and build a deep understanding of any subject with intelligent guidance. LearniAI offers features like AI learning assistant, visual mind mapping, a 3-stage learning process (Input, Process, Output), and knowledge validation using the Feynman Technique.

Yext is a digital presence platform for multi-location brands, powering customer engagement across channels. Yext is a digital presence platform for multi-location brands, powering the knowledge behind every customer engagement. It allows brands to create and deliver content to any channel, manage location information across the web, create intelligent search tools, organize content for AI-powered experiences, manage reputation, amplify social presence, unlock actionable insights, drive engagement with local pages, automate conversations with AI chatbots, and unlock enterprise-grade engagement.

Open-source AI knowledge base and research agent for enterprise data. Morphik is an open-source, AI-native knowledge base and research agent designed to significantly reduce the time knowledge workers spend in the research phase. It acts as a "Perplexity for enterprise data," enabling users to cut document-digging time by up to 70%. Morphik provides answers and generates insights from complex private data, including research papers, reports, company documents, images, diagrams, schematics, and datasheets.

Grain AI: Create fun, interactive lesson in just 1 minute Grain AI is your perfect AI teaching partner that creates fun, interactive lessons in just 1 minute! One click to generate 9 + teaching materials, like comics, audios, web apps, concept maps and exercises. The fastest way from idea to ready-to-teach content. Perfect for teachers, educators, schools & more.

PostgreSQL platform for hybrid AI agent memory and retrieval Polygres is an all-in-one PostgreSQL platform for AI agents that combines relational data, graph traversal, vector search, and hybrid retrieval through a unified API. It turns existing PostgreSQL databases into working memory for agents, allowing them to retrieve structured rows, connected relationships, semantic matches, full-text results, and filtered context without using a separate vector database, graph database, or synchronization pipeline. Polygres includes pgGraph for foreign-key-based graph traversal and pgContext for fused retrieval across dense HNSW vectors, sparse search, full-text search, filtering, recommendations, discovery, grouped results, and lookups. Users can deploy it as a managed cloud database or self-host its open-source components.

Village is a social capital API that helps find warm intros to investors, talent, and customers. Village helps you find warm intros to top talent, investors, and customers. Their V1 helps founders instantly tap into 100s of investors they're already connected through other portfolio founders. It is a social capital API that 10x your sales, fundraising, and hiring workflows with relationship intelligence.