Work · alternatives · 2026
24 alternatives to OI Chat
Chat and collaboration network for Blockstack users
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OI Chat launched in 2019; newer entries below may have overtaken it.
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Chat for small teams — encrypted and decentralized
2019 · blockslack.io · its alternatives →
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Mantle Chat▲298Collaboration platform where teams work with AI together
May 2026 · mantle.chat · its alternatives →
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CoChat▲261Openclaw for Teams that is secure, collaborative, autonomous
Mar 2026 · cochat.ai · its alternatives →
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Intelligent team communication
2018 · accounts.google.com · its alternatives →
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ChatGPT canvas▲498OpenAI's new way to write & code with ChatGPT
2024 · openai.com · its alternatives →
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Matrix▲77An open network for secure, decentralized communication
2019 · matrix.org · its alternatives →
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The community-led no-code platform for customer engagement
2023 · tiledesk.com · its alternatives →
- 11
Hey HN! Over the past few months, I've been working on building Omni - a workplace search and chat platform that connects to apps like Google Drive/Gmail, Slack, Confluence, etc. Essentially an open-source alternative to Glean, fully self-hosted. I noticed that some orgs find Glean to be expensive and not very extensible. I wanted to build something that small to mid-size teams could run themselves, so I decided to build it all on Postgres (ParadeDB to be precise) and pgvector. No Elasticsearch, or dedicated vector databases. I figured Postgres is more than capable of handling the level…
Mar 2026 · github.com · its alternatives →
- 12MH
Hi Hacker News, Preamble: Matrix [0] is a protocol for real-time communication, most known as secure federated chat with client named "element". If you want to join Matrix you may use any public server, but any features, bridges, integrations, etc. configured by server admin, so if you want to add/change or remove something, you can't do that. In most cases, it's question about bridges - like slack, telegram, discord, facebook messenger, etc. That's why I started https://etke.cc/ What is it? Actually, it's html form ( https://etke.cc/#contact ) where you…
2021 · its alternatives →
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Riot.im▲178A universal secure chat app entirely under your control.
2016 · element.io · its alternatives →
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ChatCBT is an AI-powered cognitive behavioral therapist for your local Obsidian notes. You have the choice to use OpenAI, or a 100% local model with Ollama for total data privacy. When you're done with your conversation, ChatCBT can automatically summarize the chat into a table listing your negative beliefs, emotions, categories of negative thinking, and reframed thoughts. This way you can start to recognize patterns in your thinking and begin to rewire your reactions to disturbing circumstances. Conversations are stored in markdown files on your local machine, ensuring privacy and…
2023 · github.com · its alternatives →
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ChatX▲121A powerful ChatGPT client for iOS/macOS (GPT3.5 & GPT-4)
2023 · apps.apple.com · its alternatives →
- 17AD
2017 · hashtags.chat · its alternatives →
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Sentient Chat▲135A GRID experience providing open-source intelligence
2025 · chat.sentient.xyz · its alternatives →
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BloxGPT▲131All-in-one AI-Chat, collaboration and whiteboard solution
2024 · bloxgpt.com · its alternatives →
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Blocks.ai▲53Launched Blocks.ai today - the control plane and network layer for agents. One outbound connect, zero-trust security, and A2A protocols built in. Connect your agent to any frontend you build or any specialist agents you need regardless of runtime without tons of messy middleware. I work to solve agentic problems with Blocks.ai AMA :)
Jul 2026 · blocks.ai · its alternatives →
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Framework agnostic chat component used to communicate with AI based APIs.
2023 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →