What is the best alternative to Flock?
Pro Helps keep track of different conversations
Instead of rooms or channels Zulip is built around topics. This allows you to have multiple conversations at the same time without conversations interfering with each another. It also allows you to reference conversations without clutter.
Pro Easy asynchronous conversations
Its threaded model helps people working in different timezone's communicate effectively.
Con Takes some getting used to
As most chat software uses the concept of channels or rooms, getting in the habit of splitting each topic off in a separate category can require some getting used to and discipline.
Pro Scalability
Contus Fly has quick scalability applications from few users to lakhs of users. It performs simultaneously to communicate with the user with online presence.
Pro On Cloud
Host data on a cloud server or on your own premises servers to scale up your instant messaging mobile app's accessibility and scalability.
Pro High Profile Technology Stack
Build your chat app with solution powered by Ejabbered, Erlang, Amazon Web Services, MySQL, and much more under the hood.
Con Group video conferencing
Communicating with a group using video calls on the chat app is an extra feature. You need an upgrade in group video conferencing.
Pro Free and open source
Rocket.Chat is available for free. It's licensed under the MIT license with source code available on GitHub.
Pro Native apps for all major desktop and mobile platforms
Rocket.Chat has native apps for macOS, Windows, Linux, iOS and Android.
Con No way to block new registrations
Without the ability to disable registrations, there's no way to control access to the chat.
Pro Robust integration with a huge number of tools
Slack integrates with tools like Trello, GitHub, Dropbox, Mailchimp, and dozens of others, so you can have a centralized event feed of your project right alongside your chat. This is tremendously useful for keeping context with your discussions.
Pro Drag & drop files in channels
You can upload a file to any channel over HTTPS simply by dragging and dropping.
Pro @mentions
You can ping people to get their attention even if they are not online by @mentioning them. Slack supports desktop notifications.
Con Expensive when you need to upgrade
At $6.67 per user / month (or $8 if billed monthly) , Slack is significantly more expensive than the competition if you need features such as unlimited integrations (more than 10) or unlimited message storage (more than 10,000). However, the free version of Slack includes unlimited users. However...
Con No self-hosting available
If you are worried about third-parties getting access to your data you should consider self-hosting. With self-hosting you are in control over where your data is stored, who has access to it. You will also not be vulnerable to exploits of a third-party provider.
Con Hidden max limit of free users per channel
Slack says that their free accounts support an unlimited number of users, which is true. However they don't mention that there is an undisclosed maximum number of users per channel (8462). For a large open source community, this is something to keep in mind.
Pro Available on Web, Mac, Windows, Linux, iOS, Android
You can access HipChat from pretty much every common platform. HipChat even allows chatting via SMS.
Pro Powerful @mentions
You can ping people to get their attention even if they are not online by @mentioning them. Depending on how the person has set their account up it can be by notifications via in-app sounds, visual alerts, and even email, SMS, or mobile app push notifications.
Pro Huge list of integrations
Including Asana, Github, Zendesk, WordPress, MongoDB, TeamCity, JIRA, Confluence, PowerShell and more that 40 others.
Con Free plan has limited storage
Free plan comes with 5GB of storage, where as paid plan has "Unlimited".
Con Only one-on-one video calls in free version
There is no option for multi-user conference calls.
Pro Perfect tool for managers
Gettick has no distractions. You will know where to find your tools, you can see who's working on what. Everyone is in touch.
Pro All in one
It has all the tools you need to be 100% focused on a project: tasks, communication, calendar, notes, files, and calls.
Pro Powerful financial widgets
In-app widgets, such as an economic event calendar and news feed, are available.
Pro Group video-call quality is amazing
It works perfectly with 15+ people. Web conferencing quality is incredible, which is extremely useful when you're participating in a call while viewing a browser tab holding all of the project content you're talking about.
Pro Easy to work with internal & external members
Secure sharing makes it easy to work with your internal team but also with clients, vendors, partners, contractors, and other external members.
Pro Very polished user experience
App is very easy to use on desktop and mobile devices. Notifications ensure that you respond quickly and stay up to date on team progress.
Con Not for teams looking for rigid project management structure
Samepage is designed to be flexible, so it misses some of the more rigid structures of other project management tools.
Pro Has a free-forever option
A bit less options available but works nonetheless.
Pro Real-time media and file sharing
Including YouTube videos and pictures preview in the chat window.
Pro Plenty of customization options
Chat size, color, fonts, language, log in methods, notifications, emojis, privacy, powerful moderation and many more.
Pro Threaded conversations
Ryver has Facebook like "Posts" that allow for threaded conversations to occur among teams.
Pro Unlimited users
There is no limit to the amount of users you can invite to join your instance/account of Ryver.
Con Having Chat and Posts for Teams is confusing to some users
It takes some time to get accustomed to all the features of the program, like a separate chat and a feed for team posts.
Pro Inline images
Web client embeds posted images.
Pro Notifications
You can ping people separately, people online or everyone.
Pro Beautiful User Interface
Although IMO has a comparable, and in some cases superior, feature set when compared to the competition its key selling point is its interface. From LifeHacker when it won "Best IM Client": Signing on, navigating chats by tapping the tabs at the bottom, searching for buddies, and v...
Pro Easy to switch between conversations with tabs
Tabbed chats make it easy to switch between conversations
Pro Lists and chat histories are searchable
Both your buddy lists and chat histories are searchable.
Con No support for third-party instant messaging networks
On March 3, 2014, IMO will start discontinuing support for all third-party instant messaging networks.
Pro Embeddable chat
Ninchat can be easily embedded in any website and allows logging in via Facebook and different access levels. So you can have public and team communications in a single place.
Pro Group video communication
12 people can be seen on the screen at once, and an unlimited amount can watch.
Pro Reads receipts
GroupMe has a built in function to read receipts.
Pro Great web client
GroupMe has an excellent web client that can be used to send and receive messages and manage groups from the desktop.
Pro IFTTT Integration
Allows sending messages from web services via IFTTT.
Con Drains battery fast
GroupMe, in order to have a constant connection which allows for notifications drains the battery of a device quickly, which is not ideal for a messaging app that one needs on time notifications from.
Pro Comprehensive security and privacy policy
Trillian seems serious about security and privacy, and is ready to explain in detail how they architect their service to achieve these goals.
Pro Self-Hosting available
If you are worried about third-parties getting access to your data you should consider self-hosting. With self-hosting you are in control over where your data is stored, who has access to it. You will also not be vulnerable to exploits of a third-party provider. Trillian supports both cloud hosting...
Pro Native clients for Windows, Mac, Linux, iOS, Android, and Web.
Trillian has fully native apps for Windows, Mac, Linux, iOS, Android, and Web.
Pro Guest roles
Guest members can be added that have access to specific channels; ideal for individuals outside the team.
Pro Focused collaboration
Channels are neatly divided into topic threads, focusing the discussions.
Con Only 1 month of search for free
The free tier only searches the last 1 month.
Pro Supports text, voice, video
Integrates with Jitsi for multi-party video chats
Pro Widgets support
Want to watch that flick at YouTube and discuss it at the same time? Have Grafana graphs stacked above your DevOps team chat? Collaboratively edit Google Docs and chat over without switching applications? This is possible with Riot.
Pro Provides security and privacy
Signal uses an advanced end to end encryption protocol that provides privacy for every message every time.
Pro Free and open source
Signal is free and open source software, enabling anyone to verify its security by auditing the code. It's the only private messenger that uses open source, peer-reviewed cryptographic protocols to keep your messages safe.
Pro SMS/MMS support
Signal can be your default SMS/MMS text messenger. Encryption is not possible when sending SMS to your contacts, however.
Con Single device
Signal can only be registered to one mobile device at a time. But you can link Signal to Signal Desktop.
Con If SMS/MMS imported, other apps can't read SMS
For those using Join, Pushbullet, or similar apps to send and receive SMS/MMS from web or desktop, putting your SMS in Signal somehow breaks this functionally. The dev is aware but plans to remedy the situation have not been named a priority
Pro Threaded discussions
An easy & simple interface to filter chat discussion into separate threads.
Pro Drag and drop file sharing
Files can be dragged and dropped in to the flow dock screen for upload.
Pro Multi-platform
Browser Based, as well as: iPhone and iPad App Android App Mac OS X App
Con No self-hosting available
If you are worried about third-parties getting access to your data you should consider self-hosting. With self-hosting you are in control over where your data is stored, who has access to it. You will also not be vulnerable to exploits of a third-party provider.
Con Free only for small teams, non-profits or students
Unless it's used by a team of less than five people, a non-profit or students, Flowdock will cost $3/mo per person.
Pro User interface is modelled after Facebook
To make it easier to learn for new users and increase adoption.
Pro Hashtag support
Hashtags help organize projects and parts of projects easily. Great for getting an overview of a specific subject and seeing if something's missed.
Pro A complete social network for business
Yammer works like a typical social network with status updates, comments, file sharing, groups, etc.
Help millions of people make better decisions.
Each month, over 1.7 million people use Slant to find the best products and share their knowledge. Pick the tags you’re passionate about to get a personalized feed and begin contributing your knowledge.