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Notion
Threadbound turns messy Slack threads into clean, structured docs in Notion.
Important decisions happen in Slack threads and then disappear the moment the conversation moves on, buried under sidetracked replies and a wall of ๐ reactions. Threadbound fixes that.
React to any message in a thread with a configured emoji, and Threadbound:
No manual write-ups. No "can someone document this." React, and the doc shows up in your team's Notion database, linked back to the original thread.
Free to start, with unlimited captures on paid plans.
Nextcloud ThreadboundThreadbound's answer:
General AI assistants inside Slack (like Notion's own Custom Agents or Atlassian Rovo) are built to answer questions and search your workspace on demand. Threadbound does one thing specifically: turn a single thread into a permanent, structured record the moment someone reacts to it, no prompting, no asking the AI a question, no separate workflow to remember. It's a single emoji react, not a tool you have to learn.
Threadbound's answer:
Most Slack summarizer tools give you a paragraph. Threadbound gives you a document: a summary, the decisions that were made with the reasoning behind them (when it was actually stated in the thread), and any action items pulled out as checkboxes, published straight to Notion. It's also built for reliability rather than just a single API call, if one model returns a malformed or low-quality result, it automatically retries or falls back to another model rather than publishing something broken.
Threadbound's answer:
Small to mid-sized teams, mostly engineering and product teams, who already run Slack and Notion side by side and make a lot of decisions asynchronously in threads. It's built for teams that feel the pain of "wait, what did we actually decide?" a few times a week, not occasionally.
Threadbound's answer:
It started from a personal frustration: important decisions kept happening inside long Slack threads, and a week later nobody could reconstruct what had actually been agreed on, just an endless scroll and a pile of reactions. What began as a simple "summarize this thread" bot turned into a more serious project once it became clear that getting reliable, correctly-formatted output out of an LLM consistently is the actual hard part, not calling the API.
Threadbound's answer:
Next.js and TypeScript for the app, hosted on Vercel, with Supabase for the database and auth. It integrates with the Slack Web API and the Notion API, uses Stripe for billing, and the LLM layer is built on the Vercel AI SDK with support for multiple providers (Claude, Gemini, and others) so it isn't locked to a single model.
Based on our record, Nextcloud seems to be more popular. It has been mentiond 304 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
So what about having a stricter separation between data and instructions? Let's look at that using, for example, the Nextcloud AI assistant. Nextcloud-Hub is a self-hosted file storage platform with collaboration tools. It has also an AI Assistant App and guess what, it can summarize text (and much more). I've set it all up with the OpenAI API using the gpt-5-chat-latest model. When I click on any file and... - Source: dev.to / 4 months ago
Nextcloud and ownCloud share a common ancestor. In 2016, Nextcloud's founder (Frank Karlitschek, who also founded ownCloud) forked ownCloud to create Nextcloud, taking most of the developer community with him. Since then, the projects have diverged significantly. - Source: dev.to / 5 months ago
Previously Nextcloud [1], currently bewCloud [2]. Full disclosure: I created bewCloud as a simpler, faster, and modern alternative to Nextcloud. They've allowed me to get my Files (including Photos), Calendars, Contacts, and RSS feeds off of Big Tech. [1] https://nextcloud.com [2] https://bewcloud.com. - Source: Hacker News / 7 months ago
I run a nextcloud [1] instance and use it for contacts, calendars, and reminders 1. https://nextcloud.com. - Source: Hacker News / 8 months ago
This is the same energy behind projects like Gaia-X, Nextcloud, and the open-source revival happening across the continent. Itโs not nostalgia for on-prem servers itโs a philosophy: control what you depend on. - Source: dev.to / 9 months ago
Dropbox - Online Sync and File Sharing
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Google Drive - Access and sync your files anywhere
Mega - Secure File Storage and collaboration
Microsoft OneDrive - Secure access, sharing & file storage
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.