A free offline desktop OCR application for screenshots, batches of images and scanned documents. Umi-OCR brings recognition engines into a practical interface with editable results, layout handling and searchable PDF workflows.
An open-source PDF translation project focused on scientific documents and bilingual comparison while preserving layout elements. The current next branch uses BabelDOC and supports local interfaces plus configurable translation services.
A local-first AI workspace for chatting with documents, organizing knowledge and connecting model-backed agents. The free desktop app and MIT-licensed self-hosted project can use local models, while external providers and hosted services are optional costs.
An AI research workspace for finding papers, asking questions about PDFs and organizing evidence. A free entry plan includes a limited monthly Agent allowance; advanced research and tool entitlements depend on the plan.
A self-hosted platform for building knowledge-base assistants and AI workflows, with document retrieval, model connections and tool integration. The GPLv3 community software offers a free starting point; inference and enterprise features are separate.
NetEase Youdao’s self-hosted knowledge-base question-answering project, combining document ingestion, retrieval and answer generation. It offers a free software route for teams prepared to manage models, hardware and document quality.
A local document-processing toolkit that converts varied files into a common structured representation for search and generative AI. It combines PDF layout understanding, OCR and developer-friendly exports under an MIT software license.
A document parsing engine that turns PDFs, scans and supported office files into structured content for AI workflows. Local use avoids a mandatory hosted subscription, with hardware requirements and additional license conditions to review.
An open-source research-and-writing system that gathers sources, develops an outline and drafts cited articles. It is useful for pre-writing and topic exploration, with model and search costs separate from the free software.
A Chinese-language AI assistant and model platform for writing, reading and question answering. Developers can use the ongoing free Spark Lite API for lightweight text workflows, with account and rate limits.
A voice-to-text and AI meeting assistant with live transcripts, audio playback, summaries and meeting chat. Basic provides 300 monthly minutes, with a 30-minute conversation limit and three lifetime file imports.
A meeting recording and transcription workspace for reviewing conversations, sharing highlights and exploring AI notes. Its ongoing free plan has weekly capacity, retention and nonrenewing AI limits.
