Best Slack apps and integrations

Updated September 2025

Whether you work remotely, hybrid, or in-office, Slack is a core part of daily work. To help you cut through the noise, we’ve selected the essential apps that boost engagement, streamline workflows, and keep teams aligned.

Quick Answer:

The best Slack apps help teams boost engagement and productivity by streamlining workflows, improving communication, and fostering company culture. Top picks include BuddiesHR apps for recognition, surveys, and coffee chats, plus tools like Google Calendar, Trello, and Loom for seamless collaboration.

The best slack apps for engagement and team building

1. BuddiesHR suite of engagment apps

BuddiesHR has several culture apps fully integrated in Slack. You can buy all apps with a packaged priced and supercharge your culture.

Alfy - Random Coffee App

Alfy isn’t just a random coffee chat app for your team. With it, you can strengthen team bonding by regularly connecting coworkers for a virtual chat. It’s especially useful for remote teams, where building team spirit and keeping natural team interactions alive takes more effort.

Billy - Birthday & Work Anniversary App

Billy automates birthday and work anniversary messages to make sure no-one's special day is forgotten. You can also schedule reminders to be notify days before the events.

Clappy - Recognition & Kudos App

Recognize your colleagues with Clappy by sending kudos and points to the person you want to celebrate. It's a great way to broadcast your company values. With Slack notifications and visible Slack messages, recognition happens within Slack itself, so the entire team sees contributions in real time.

Pulsy - Survey, eNPS and Survey App

Pulsy makes it easy to measure engagement and eNPS with Surveys and polls. You can only improve what you can measure. It's a great tool that lets you collect lightweight meeting notes, gauge morale with quick surveys, and align distributed teams without more complicated tools.

Linky - Employee Directory & Org Chart App

Linky makes sure everyone can visualize the company structure and hierarchy. By surfacing org charts and project updates alongside new tasks, team leaders and managers can keep the whole team aligned without constant context switching.

2. AttendanceBot

AttendanceBot is the complete Slack-first solution to time off, hybrid work, time tracking, and schedules. From handling time off requests to scheduling meetings and even creating meeting reminders, it helps reduce manual admin so teams can focus on real work.

The best slack apps for communication and collaboration

1. Axolo - Seamless GitHub & GitLab Integration with Slack

Axolo enhances team collaboration by integrating GitHub and GitLab pull requests directly into Slack. It opens temporary Slack channels for each pull request, inviting the author and reviewers to discuss, review, and act on the code. This eliminates constant context switching and makes team communication easier by showing task status and updates directly in channels.

2. Loom

Enhance your Slack conversations with context-rich video messages. Need to add clarity, context, or nuance to a Slack thread while avoiding yet another meeting? Use Loom to record quick async videos directly from Slack and get your message across. For quick video calls or even full video conferencing, Loom reduces the learning curve of switching to other apps just to share meeting notes.

3. Zoom

Start Zoom Meetings and make Zoom Phone calls with flawless video, crystal clear audio, and instant screen sharing from any Slack channel, private group, or direct message using the /zoom slash command. Easily share a Zoom Whiteboard with any Slack channel or direct message; users will see a preview of the whiteboard if you have access to the file and a notification when you share. The Zoom app for Slack can be installed individually by any Slack user with a Zoom account or be deployed to the whole organization centrally by the Zoom account admin with a few simple steps.

The best slack apps for productivity and project management

1. Google Calendar

Keep your calendar top of mind without leaving Slack. Use Google Calendar in Slack to:

Quickly create an event without leaving Slack.
Keep your team informed by automatically syncing your Slack status with your calendar.
View your full daily schedule from Slack.
Easily join meetings on Hangout, Zoom, Webex, or Microsoft Teams from calendar reminders in Slack.
Respond directly to event invitations.
Get notified of event updates and modify responses as needed.

Pairing with Google Drive and Google Drive files helps share files seamlessly while also making sure there are no missed events via instant notifications.

2. Trello

Trello is a collaborative tool that millions of people trust to gain shared perspectives on their projects. Users can link their Trello and Slack workspaces by using the Trello app for Slack, resulting in an even smoother and more collaborative workflow between favorite apps. The Trello app for Slack enables Slack users to:

Input new Trello cards to boards speedily from Slack with /trello add
Participate in Trello cards (and boards!), alter due dates, attach conversations and more.
Request @Trello to a channel for automatic card and board previews containing members, descriptions and comments.
Allow Slack workspace members to one-click join Trello workspace & boards.

It’s one of the best project management tools in Slack, which lets you create tasks, build to-do lists, and assign tasks to teammates without ever leaving the workspace!

3. Monday

Monday.com is a Work OS that powers teams to run projects and processes with confidence. It's a flexible platform that enables teams to manage work, meet deadlines, and build a culture of accountability and inclusion. With the monday.com integration for Slack, you can create new items and leave updates on an existing item - all without leaving Slack! It doubles as a task management tool and one of the best Slack bots for team leaders because it offers a clear view of team progress and the general team’s productivity.

4. Calendly

Calendly can save you a lot of time by streamlining the scheduling of meetings. Calendly helps make scheduling faster and more efficient than ever, so everyone can get more time back in their day.

5. Clickup

ClickUp saves time with the all-in-one productivity platform that brings teams, tasks, and tools together in one place. Connect ClickUp with Slack for smooth teamwork and to keep everyone up-to-date on work progress. It’s one of the most popular tools for task management, helping teams streamline workflows and even automate workflows tied to other apps.

Bonus - The best slack apps for fun

Giphy

Giphy is a must ahve for all workspaces.

Slack integrated GIFs recently, but Giphy is still the most efficient option for publishing funny GIFs in a chat. This integration will enable the /giphy slash command for your team. Example: typing "/giphy cats" will display a cat GIF in your channel. It adds some fun with animated GIFs and helps turn Slack into a productive work environment where teamwork and culture go hand in hand.

More resources for the top apps for Slack

Check out the Best Slack apps for hybrid and remote teams on BuddiesHR blog
Chekout the Best Slack Poll and Survey App in 2024

What is a Slack app?

Slack applications are available for you to install on your Slack workspace. They add functionnalities to your Slack either for yourself and/or for everyone in the team. They can streamline your workday and improve your work experience. You can find several categories like team building, communication, productivity, project management, culture, and more.

Slack bots can save a lot of time by handling repetitive tasks or bringin shortcuts into Slack instead of opening external websites.

The full list of Slack apps are available on the Slack app directory.