Entire companies are being built on top of the world's fastest-growing software. Slack, a company expecting to surpass $600 million in annual recurring revenue is still growing at an upward pace of 55% year-over-year, they have over 100,000 paying customers, and their net dollar retention is 134%. (Stats provided via ) Slack's Third Quarter Fiscal Year 2020 Results With such meteoric growth, third-party products are opting to build entire companies on top of Slack’s booming platform which recently . reached 2,000+ apps Image Via Twitter Slack is also doing its part to enable these companies to build on top of their platform. As part of their recently minted $80 million venture fund ( ), Slack has invested in the like of Onna, Troops, Lattice, Polly, and many more to enhance the Slack experience. The Slack Fund Sahil Lavingia, Founder & CEO of Gumroad and popular SaaS Twitter philosophist is bullish on Slack too. Image Via Twitter Here’s a list of 5 companies who have built on top of Slack: 1. - Giving you control over your Slack data. Onna Onna makes the process of collecting all of your companies a breeze. Native Slack capabilities don’t give you the ability to find and extract target pieces of data (known as ). Onna gives companies the ability to search through their data to find exactly what they need. Slack data Slack eDiscovery The growth of Onna has led to led by Dawn Capital and participated in by Slack themselves. fundraising Norman Fiore, General Partner at Dawn Capital, said: "Helping employees find, organize and protect crucial business information when it sits across all these apps is a big challenge. Onna's solution has already seen great traction in eDiscovery with a legal use case, with annual recurring revenue having more than tripled over the past year." "But Salim (Onna’s founder) and the team at Onna rightly recognize the opportunity is much bigger. By building an internal search engine for enterprise and giving all employees fast access to their own information, Onna can be an industry game-changer." Notable companies using Onna include: Facebook, Dropbox, Fitbit, EA, Vizio, and more. 2. Halp - Conversational ticketing for teams who love Slack. gives Slack users the power to assign, prioritize, and answer requests from Slack with ease improving response times, employee happiness, and overall productivity. Halp Co-founder and CEO Fletcher Richman created Halp when he realized that while workplaces were moving away from email-based communication and towards conversational messaging, internal ticketing remained inefficient and stuck in the past. Richman said in , “The way people work is fundamentally changing and the systems we use in the workplace need to change as well,” said Richman. Halp’s seed funding press release “Conversational messaging is the future, and with this funding, we are helping companies upgrade their legacy ticketing systems and solve internal problems faster and more efficiently. As a result, our customers have happier employees, better employee retention and more" Notable companies using Halp include: Slack, Adobe, Gusto, CarGurus, SeatGeek and more. 3. - A better way to sell for sales teams that Slack. Troops Troops makes sales a team sport - empowering people, automating workflows, and supercharging sales performance. In short, it automates routine sales management activities and creates visibility into important deals through integrations with employee emails and Salesforce. Troops founder and chief executive officer Dan Reich, who previously co-founded TULA Skincare, told he opted to build a Slackbot rather than create an independent platform because Slack is a rocket ship and he wanted a seat on board: TechCrunch “When you think about where Slack will go in the future, it’s obvious to us that companies all over the world will be using it,” he said. Troops has raised $12 million in Series B funding in a round led by Aspect Ventures, with participation from the Slack Fund Notable companies using Troops include: Slack, HubSpot, Intercom, WeWork, Looker, Lyft, Square, InVision, and more. 4. - The best way to measure your most critical workflows in Slack. Polly Whether you’re on Slack or Microsoft Teams, Polly helps you get timely feedback from the right people, at the right time, in the right place. “The Polly team has taken a simple idea – surveys inside of Slack – and created a whole new way of collecting people-powered data on modern communication platforms,” commented Sudip Chakrabarti, Partner, Madrona Venture Group in Polly’s . Series A funding announcement “As modern workflows move to real-time messaging platforms, Polly enables enterprises to get a holistic picture of their customers, employees, product, and brand.” Polly raised $7 million in Series A funding led by Madrona Venture Group with participation from the Slack Fund. Notable companies using Polly include: Slack, Auth0, PureStorage, DataRobot, and more. 5. - Develop engaged and high-performing teams. Lattice Bring more actionable feedback, praise, and awareness to everyday Slack conversations with Lattice. “Performance management can feel like extra work. Frequently, employees need multiple reminders to fill out a performance review, forget to give each other feedback, and never set goals. Employees want to use HR software that feels and works like the apps they use in the rest of their lives — this dynamic exists in every organization.” Lattice said in the blog post discussing their . Slack integration If your team is like Slack’s, or any of their millions of users, you are living in the Slack app every day. Now, you won’t ever need to leave , turn on a constant stream of recognition or give helpful nudges to your team when they need to do something for you (like writing that peer review). Slack to give your teammates feedback and praise $25 million in Series C funding led by Tiger Global Management with participation from the Slack Fund. Lattice raised Notable include: Slack, Reddit, Asana, Cruise, Samsara, Button, Clio, and more. companies using Lattice NOTE It makes sense to want to customize your Slack as much as possible, but for free accounts, you can only add up to 10 Slack apps. If you want more, you’ll need to upgrade your Slack plan. To get more insights on Platforms, APIs, Web3, and more — subscribe to . The API Economy of SaaS RESOURCES Why we’ll see more startups built on platforms like Slack Building a business on Slack Best Slack apps and bots to add to your workspace (not Slack related, but an incredibly powerful essay on why platforms like Shopify and Slack are so popular Shopify and the Power of Platforms

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