Feishu

WeKnora is an open-source, LLM-powered knowledge platform from Tencent for turning documents into queryable knowledge bases, retrieval-augmented Q&A, autonomous reasoning workflows, and self-maintaining Markdown wikis. It supports RAG-based quick Q&A and a ReAct agent that orchestrates retrieval, MCP tools, sandbox skills, and web search for multi-step tasks. Its Wiki Mode distills source documents into structured, interlinked Markdown pages with an interactive knowledge graph, manual editing, revision history, line-level diffs, and rollback. The platform ingests formats including PDF, Word, Markdown, HTML, images, spreadsheets, presentations, and XMind, and can synchronize sources such as Feishu, GitLab, Tencent IMA, Notion, Yuque, and RSS. Its modular pipeline supports interchangeable parsers, LLMs, embedding providers, vector databases, and storage backends, with dense, sparse, hybrid, parent-child, and graph-based retrieval strategies. WeKnora provides a web interface, REST API, command-line client, MCP server, website embed widget, and integrations with messaging channels. It can be deployed locally, with Docker, or on Kubernetes, including private and offline deployments. The repository states that it is licensed under the MIT License and supports workspace RBAC, scoped API keys, audit logs, and Langfuse-based observability.

ComPDF Self-Hosted is an open-source PDF editing, conversion, and document-processing platform from the KDAN ecosystem. It is deployed privately with Docker Compose and provides a browser-accessible tool center for merging, splitting, rotating, watermarking, encrypting, decrypting, and otherwise editing PDFs, as well as converting between PDF, Office formats, HTML, TXT, CSV, RTF, JSON, Markdown, OFD, and image formats. Its image-conversion functions include image-to-document and image-to-PDF workflows, with OCR-related capabilities indicated by the repository topics. A management console handles API keys, API usage, license status, operation-log auditing, account management, and system configuration; commercial support and an enterprise upgrade are also offered.

FuXi is a self-contained terminal AI coding agent developed by FUXI. Built in Go and distributed as a static binary, it uses a Think → Act → Verify loop to read and edit code, run shell commands, drive tools, connect to MCP servers, and route requests across multiple LLM providers with automatic failover and cost-aware settings. Its built-in capabilities include file operations, shell execution, code search, web fetching, LSP diagnostics, Jupyter, browser use, background tasks, and parallel sub-agents. Shell commands pass an AST-based safety classifier, while permissions and audit logs govern autonomous actions. Sessions persist to disk, with checkpoints for resuming, rolling back, or forking; the TUI also supports memory consolidation and automatic context compaction. FuXi supports provider API keys or FuXi OAuth, configurable OpenAI-compatible endpoints, MCP clients, hooks, skills, plugins, and slash commands. The repository contains documentation, installers, release information, and issue-tracking materials; it states that the product source is proprietary and not published.

Euro-Office DocumentServer is a browser-based document editing service used with OpenCloud. The video describes it as an OnlyOffice fork that performs more processing on the client side, potentially reducing server load. The project describes itself as a sovereign office and provides a Docker image for testing and integration; Debian and RPM packages are stated to be forthcoming.

pdfcn is a free, open-source library of customizable PDF components for React, designed in the style of shadcn/ui. It uses a registry format and CLI workflow for copying components into an application, where they can be customized and composed into tables, forms, charts, invoices, reports, and other documents. PDFs can be rendered through either Takumi or Forme. The project provides zero-configuration defaults, live previews in its documentation, shared themes and props, and composable React components with renderer primitives. It is licensed under the MIT License.