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Stack Overflow is a question and answer site for professional and enthusiast programmers. It's built and run by you as part of the Stack Exchange network of Q&A sites. With your help, we're working together to build a library of detailed answers to every question about programming.

It is a powerful knowledge base that works on top of a local folder of plain text Markdown files.

It is a free server-based software. It is an extremely powerful, scalable software and a feature-rich wiki implementation that uses PHP to process and display data stored in a database, such as MySQL.

It connects you to everything you want to know about. Quora aims to be the easiest place to write new content and share content from the web. We organize people and their interests so you can find, collect and share the information most valuable to you.

Slite is the easiest way for teams to write together. From meeting notes, handbooks, guides, specifications to anything your team needs written down and retrievable in just a few clicks.

It is a note-taking tool for networked thought. As easy to use as a document. As powerful as a graph database. It helps you organize your research for the long haul.

With Feedly, you can organize in one place industry publications, expert blogs, news sites, youtube channels, twitter feeds and much more.Keep up with the topics and trends you care about, without the overwhelm.

It is a platform for knowledge sharing and management. It focuses on privacy, longevity, and user control. The server will never store or analyze your private notes. Your data are plain text files.

It is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor. The notes are in Markdown format.

Create real-time collaborative documents and connect them instantly like a wiki. Use the tree, board, and graph view to explore and organize your knowledge visually. It's great for meeting notes, product requirements, docs, decisions, and more.

It is a simple, self-hosted, easy-to-use platform for organising and storing information. It provides a pleasant and simple out-of-the-box experience. New users to an instance should find the experience intuitive and only basic word-processing skills should be required to get involved in creating content on BookStack. The platform should provide advanced power features to those that desire it but they should not interfere with the core simple user experience.

It is the fastest wiki and knowledge base for growing teams. Beautiful, feature rich, markdown compatible and open source. Team wiki, documentation, meeting notes, playbooks, onboarding, work logs, brainstorming, & more.

It is a free wiki software platform written in Java with a design emphasis on extensibility. It is an enterprise wiki. It includes WYSIWYG editing, OpenDocument based document import/export, semantic annotations and tagging, and advanced permissions management.

It is a knowledge management system for high-performance teams Tettra helps your team share information between people, teams, and tools. Transfer knowledge in a centralized place, so your team can perform better.

It is the knowledge base entirely focused on just being the very best knowledge base for your entire team. Choose the best tools for the rest of your productivity stack and Slab will integrate with them, including Slack, Asana, GitHub, and dozens more.

Never lose your best AI prompts again. SpacePrompts provides seamless prompt management to help you save, organize, and access your ChatGPT, Claude, Gemini, and other AI assistant prompts instantly across all your devices.

It is a web, mobile and desktop project management and collaboration system for teams.

Stack Overflow for Teams is a space for teammates to ask questions and find answers. Sharing company information has never been easier.

It is an open-source, local-first, markdown-based, note-taking tool built on top of VSCode. Like most such tools, it supports all the usual features you would expect like tagging, backlinks, a graph view, split panes, and so forth.

It is an ultimate web clipper. Use it to clip research, data points and other information you find online.Then drag your clips into any of your web-based writing. So you can write emails faster in Gmail.

It is a powerful online knowledge management software that empowers HRs, trainers and top management of a company to manage employee and organizational knowledge. With support for over 90+ languages, it allows businesses to easily retain and share knowledge with employees by uploading company documents and files to a central location. HRs can easily share company policies and procedures with new hires and quickly orient them to the company’s culture via a private intra-company knowledgebase. Trainers can also use the knolwedgebase to share articles, videos and know-hows with employees to facilitate training.

It is a new kind of knowledge base where your ideas effortlessly stay in context at scale. Edit notes, design, and develop in realtime with smart linking. For solo and team use.

Educate your users with a super simple knowledge base that’s built for teams just like yours. It makes it super simple to create a fantastic self-serve knowledge base experience for your customers and team.

It has reimagined the knowledge base to make it powerful and present. It’s KB is full of interactive, step-by-step guides that are a more effective way to share information.

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It lets you share knowledge with those who need it. Share with teams, clients and educate wider audiences.

It is the easiest quiz making tool that anyone can use. It’super-simple user-interface makes it easy to use and anyone with any level of skills or experience can create a quiz, an online exam, or any type of online assessment using the ProProfs Quiz Maker. Its features like templates, automated grading, and instant feedback are a super time-saver.

It was formed to allow developers to freely share their knowledge, code and ideas. We believe that by opening your code to others, by teaching those who are learning, and by sharing our daily experiences we all become better programmers. We understand that no matter how advanced you are in your field, we were all beginners once. There's always something more to learn.

It is your second brain that utilizes the power of GenerativeAI to store and retrieve unstructured information. Think of it as Obsidian, but turbocharged with AI capabilities.

It is a new way to create notes and collaborate with your friends. Quickly create note-cards with diverse content from task lists to maths equations, with full markdown and LaTeX support. You can tag your cards, find relevant keywords, and sort your cards in an instant. Each and every note-card can be immediately shared, commented on, or collaboratively edited, allowing you to keep all your learning organised, even when working together.

It is a complete online learning solution for employee training. The platform comes integrated with a range of useful tools including quiz, survey, knowledge base, collaboration and many more. It is user-friendly and customizable. Ready-made courses and templates make content development easy. Add to that, great customer service that never lets you down.

It is the next generation of the Wiki, with simple inline editing tools and a very low barrier to content creation, it allows teams to quickly and efficiently collaborate to produce great looking content with minimum effort.

It is an open source web application to secure and organize your company knowledge. With our software you can realize your integrated management system, documentation system, organization manual, intranet wiki and a flexible knowledge base.

Always be up to date with the best articles from your favorite websites. All via a simple RSS connection. Stay up to date about the latest writing trends and get inspired to start creating your own content by reading your daily dose of articles, all in one tab! Add your most read blogs, news sites, forums, ... to your feeds and discover new content each time you open a new tab.

Visualize your ideas with multimedia aids. Add images, videos, or audios to record memorable notes and express amazing ideas in an interactive way. Collect information intuitively across the web. Simply drag texts, images, or videos from web pages, and drop to paste with a mobile friendly web clipper.

It lets you express your knowledge in a natural way – easy to create, easy to expand, and – maybe most importantly – easy for others to understand. Everything is connected, and so is your knowledge: It forms a network. With Hypernotes you easily create a semantic network of your knowledge. Whether for personal use or for your business, it helps you collect your knowledge and share it with others.

NoteGPT is an AI-powered note-taking app that turns any lecture, meeting, or voice memo into clear, structured notes in seconds. It records and transcribes audio, then automatically creates concise summaries, flashcards, and study guides so you can revise faster and remember more. Built for students and busy professionals, NoteGPT keeps all your notes organised and easy to review whenever you need them.

Transforms enterprise knowledge into action. Secure, compliant AI assistants built for legal, finance, and operations teams.

PromptX is an AI-powered enterprise knowledge and workflow platform that helps organizations search, discover and act on information with speed and accuracy. It unifies data from SharePoint, Google Drive, email, cloud systems and legacy databases into one secure Enterprise Knowledge System. Using generative and agentic AI, users can ask natural language questions and receive context-rich, verifiable answers in seconds. PromptX ingests and enriches content with semantic tagging, entity recognition and knowledge cards, turning unstructured data into actionable insights. With adaptive prompts, collaborative workspaces and AI-driven workflows, teams make faster, data-backed decisions. The platform includes RBAC, SSO, audit trails and compliance-ready AI governance, and integrates with any LLM or external search engine. It supports cloud, hybrid and on-premise deployments for healthcare, public sector, finance and enterprise service providers. PromptX converts disconnected data into trusted and actionable intelligence, bringing search, collaboration and automation into a single unified experience.

myNeutron is a personal AI memory layer that captures, organizes, and structures a user’s knowledge so it can be reused across all AI tools. It saves webpages, highlights, files, emails, and notes as structured “Seeds,” which form a portable knowledge base that works across ChatGPT, Claude, Gemini, and any MCP-compatible tool. myNeutron helps users keep context consistent, reduce repeated explanations, and improve decision accuracy. It provides semantic search, context generation, and a built-in assistant that analyzes saved knowledge privately, inside the user’s workspace. It is designed for individuals and teams who work with large amounts of information and need AI to operate on accurate, structured context.

Your knowledge is worth teaching - teach it with Sensei LMS. Share your knowledge, grow your network, and strengthen your brand by launching an online course.

It acts as a hub for a team to find information or people within the team quickly. You can take and share notes, documents, videos, and more, and organize them through topics.

Empower the team with sharing your knowledge. It is designed to be set up on Heroku or some PaaS, but you can also start up Crowi with ENV parameter on your local.

It is a skills and strengths visualization tool that helps individuals and teams look into their skills in a new way to improve productivity, engagement and job satisfaction by matching the right person for the right project. At the core of MuchSkills is the belief that every individual strives to work with what they love doing. MuchSkills allows people to showcase exactly that to the world.

It is an AI-powered search and chat platform for developer products. You can provide immediate answers to customer questions by leveraging your existing public and private content.

It is the AI note-taking app that self-organizes your notes and runs models locally. It interfaces with Llama.cpp to run local LLMs and Transformers.js to run local embedding models.

It is a smart knowledge management tool that integrates seamlessly with other tools you use every day, so you can save and retrieve team knowledge easily, wherever you need them.

It is open source and works great as a Q&A, forum, knowledge base or customer support platform. Deployable on premises or to any cloud.

Get more productive with an internal base for all knowledge, notes, news, forms, discussions and docs. Everyone will be on the same page, even when working remotely.

With VSpace you can create desktop-like spaces with important and useful links so you and your teammates don't waste time searching and sharing them.