Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free. Learn more →
Spreed Alternatives
Similar projects and alternatives to spreed
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Nutrient
Nutrient - The #1 PDF SDK Library. Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.
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Mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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Zulip
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
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Telegram-bot-Sms-Call-bomber
Discontinued Telegram bot for Sms/Call flood [GET https://api.github.com/repos/t1maa/Telegram-bot-Sms-Call-bomber: 404 - Not Found // See: https://docs.github.com/rest/repos/repos#get-a-repository]
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
spreed discussion
spreed reviews and mentions
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Slack AI Training with Customer Data
Personally, I rather liked self-hosted versions of these:
Mattermost: https://mattermost.com/
Rocket.Chat: https://www.rocket.chat/
Nextcloud Talk: https://nextcloud.com/talk/
Out of those, Mattermost was the easiest to setup (just need PostgreSQL and a web server, in addition to the main container), however not being able to easily permanently delete instead of just archiving workspaces was awkward. Nextcloud Talk was very easy to get going if you already have Nextcloud but felt a bit barebones last I checked, whereas Rocket.Chat was overall the more pleasant option to use, although I wasn't the biggest fan of them using MongoDB for storage.
The user experience is pretty good with all of them, however in the groups that I've been a part of, ultimately nobody cared about self-hosting an instance, since most orgs just prefer Teams/Slack (or even Skype for just chatting/meetings) and most informal groups just default to Discord. Oh well.
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Discord to Start Showing Ads for Gamers to Boost Revenue
> Tell me another platform that is free, has realtime chat, voice and video, has stable service, allows sharing images and other media, with good ownership management... and is open source.
Mattermost: https://mattermost.com/
Rocket.Chat: https://www.rocket.chat/
Nextcloud Talk: https://nextcloud.com/talk/
Self hosting and some assembly required. I've run all of them on cheap VPSes to explore a Slack/Discord replacement, neither was mindblowing but all of them seemed okay (Nextcloud's offering was rather barebones, though).
Audio and video support varies because getting those right is challenging, at best you'd just integrate with something like Jitsi, that one's actually pretty good for meetings and such: https://jitsi.org/ and has a cloud version too: https://meet.jit.si/ (yet people still go for Zoom and it's odd UI/UX choices)
I actually rather liked forums back in the day, but I guess nobody will be setting up that many phpBB instances in the current year, though projects like Discourse also seem promising: https://www.discourse.org/
I don't think many people at all will be leaving Discord, due to how entrenched the platform is (network effect): if you want people to help you with what you're working on, you go where they are, not vice versa.
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How to copy a file between devices?
To add to this, it's reasonably easy to run, and has many different plugins, from a calendar and contacts list, to an online document editor (like Google Docs, except it can be pretty slow and/or resource intensive: https://nextcloud.com/office/), to a simple clone of Slack (https://nextcloud.com/talk/), a mail client (https://apps.nextcloud.com/apps/mail) and other things.
That said, I've had updates (across major versions) break things on multiple occasions, one out of two servers running the exact same version has random crashes and in addition to that the file locking by default (if enabled, but not using Redis: https://docs.nextcloud.com/server/latest/admin_manual/config...) has broken and prevents me from deleting a file that just sits there and takes up a few GB of space. Oh and their Android app fails to upload files if I use the share option, instead of the file picker from within the app.
On the other hand, sure beats storing data on third party clouds and is free, so I'll still keep using it.
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Ask HN: Does a framework exist for “open-source SaaS”?
> The calendar app is very functional and allows booking of appointments based on availability similar to Calendly. This is one of many apps within its large and expanding suite.
Another noteworthy one is Talk: https://nextcloud.com/talk/
It's not quite as good as something like a self-hosted instance of Mattermost or even Rocket.Chat, but honestly if you already have Nextcloud, then it's pretty cool to be able to get something decent like that up and running quickly.
Ofc that's making Nextcloud a single point of failure in some ways and occasionally things can go sideways with these plugin based platforms (historically applies more to installs of Jenkins, but also have had some performance issues with Nextcloud that had lots of apps, too).
I still rather like Nextcloud because of being able to just run it on my servers and replace a bunch of other third party cloud platforms and still somehow manage to have good enough uptime and security.
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Remember Microsoft Small Business Server? It was a full suite of tools for a small office. Is there an open source alternative?
Internal chat/communication
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⟳ 0 apps added, 38 updated at f-droid.org
Nextcloud Talk (version 15.0.3): Have private video calls and chat using your own server.
- Ask HN: How might HN build a social network together?
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What are good self-hosted WebRTC video solutions today?
Nextcloud Talk
- Best alternative for Zoom / MS teams for video calls?
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Asking for some FOSS Discord alternatives
Nextcloud has a chat app https://nextcloud.com/talk/
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A note from our sponsor - Nutrient
nutrient.io | 15 Mar 2025
Stats
nextcloud/spreed is an open source project licensed under GNU Affero General Public License v3.0 which is an OSI approved license.
The primary programming language of spreed is JavaScript.