Top Developer Tools Startups in 2024

We are building the next generation of voice AI platforms: - It is on-device - It runs anywhere, from Arduino to web browsers - It beats FAANG in accuracy, latency, and reliability

Lob is building a suite of APIs for the enterprise. Built with developers in mind, Lob provides tools that allow businesses to build scalable and powerful applications. The most popular API is a print and mail API that enables companies to send postcards, letters, checks, and more as effortlessly as sending emails. Lob is based in San Francisco, CA and is venture backed with over 6000 customers including Intuit, Square, and Counsyl. Find out more about Lob and what we’re up to by following our blog: lob.com/blog and visiting our website: lob.com. 

Topsort is the leading AI and Auction-based retail media global company, transforming retailers and marketplaces into top ad networks on par with industry giants. Through seamless integration, Topsort provides a comprehensive Bidless™ retail media tech stack featuring highly flexible API tools, an industry-leading privacy-safe clean room with robust online and in-store attribution, and a transparent ad network for streamlined media buying across multiple ad networks. In just three years since launch, Topsort has raised $38 million in funding from investors like Pear Ventures, Quiet Capital, FJ Labs, and Upload Ventures.

At alation, we are a team that is passionate about creating a more curious and rational world by providing our customers with the tools to build a data culture. from our product to how we operate as a team, we’re excited to change the world by combining machine learning and human collaboration to bring confidence to data-driven decisions.

Scale accelerates the development of AI applications by helping computer vision teams generate high-quality ground truth data. Our advanced LiDAR, video, and image annotation APIs allow self-driving, drone, and robotics teams at companies like nuTonomy, Nuro, Voyage, Embark, Lyft, Pinterest, and Airbnb focus on building differentiated models vs. labeling data.

Sauce Labs is the company enterprises trust to deliver digital confidence. More than 3 billion tests have been run on the Sauce Labs Continuous Testing Cloud, the most comprehensive and trusted testing platform in the world. Sauce Labs delivers a 360-degree view of a customer’s application experience, helping businesses improve the quality of their user experience by ensuring that web and mobile applications look, function, and perform exactly as they should on every browser, OS, and device, every single time. Sauce Labs enables organizations to increase revenue and grow their digital business by creating new routes to market, protecting their brand from the risks of a poor user experience, and delivering better products to market, faster. For more info or to sign up for a free trial, visit saucelabs.com.

Memorang is the world's first "AI stack for education." From neurosurgery to language learning, our integrated platform empowers organizations with the tools to build, launch, and scale AI-powered education solutions. We're a profitable, rapidly-growing startup that's received global recognition (#1 of 1,500 AI companies in the Vercel Accelerator) and is partnered with several of the world's leading education organizations. Join us as we push the boundaries of applied AI in education and build the world's first infrastructure layer for EdTech. "Memorang has literally the best gen AI results I've ever seen applied to a real world problem. It also has an actual defensible business, which is also weirdly rare in the AI startup space." -Director of Google DeepMind

The future, as we see it, has millions of more devices connected to the internet — from self-driving cars, to delivery drones, to electric scooters, to smart farming sensors. Hologram is here to connect anything to the internet — via our global cellular platform and network available in over 196 countries and territories.

Ethyca is a high-growth Series A remote startup on a mission to make Trust, Respect and Privacy a default feature of every tech stack. To accomplish this, we created the Fides open source language for data privacy (ethyca.com/fides) and its related suite of free developer tools to enforce privacy policies as code, automate users’ right to access and erase their data, and much more. We believe software engineers are uniquely equipped to solve modern privacy challenges, but only if we work together on shared standards and best practice tools - come join our team and help make this a reality!

Contentful, the leading content platform for digital-first business, helps over 30% of the Fortune 500 and thousands of brands around the world create and manage digital experiences for their customers across any channel. It enables greater speed and scale than traditional CMS solutions. Contentful unifies content in a single hub, structures it for use in any digital channel, and integrates seamlessly with hundreds of other tools through open APIs. Companies such as Gucci, Plaid, Goodrx, Intercom, Notion, Staples and many others rely on Contentful’s platform. For more information, visit contentful.com.