Open Source Startup Podcast

Saurav Pathak is Cofounder & Chief Product Officer of Bagisto , the open source e-commerce platform based in India that has bootstrapped to 60k+ downloads and 200K users. In this episode, we discuss community contributions to product (Bagisto's extensions are 30% community-built!), building the foundation for an open source community before focusing on monetization, what "great support" really...

Mike McNeil is Cofounder & CEO of Fleet , a device management platform based on the  open source endpoint visibility project osquery. Fleet has raised $25M from investors including CRV. In this episode, we discuss the importance of understanding your user profile(s), the nuances of company positioning, the difference between building a product vs. building tools, community management (par...

Michael Malyuk is Cofounder & CEO of Heartex , the open source data labeling platform for building models at scale with flexibility. The company's open source project, Label Studio , has 10K stars and a community of almost 6K users . Heartex has raised $25M from investors including Redpoint and Unusual Ventures. In this episode, we discuss flexibility as a differentiator, being customer obsess...

Maxim Fateev is Co-Founder & CEO and Dominik Tornow is Principal Engineer at Temporal , the workflow platform for building resilient applications. Temporal is the company centered on the open source orchestration engine Temporal which is a fork of the project Cadence first created at Uber. The Temporal project and company have seen tremendous interest and the cloud service for Temporal will be...

Omri Gazitt is Co-Founder & CEO of Aserto , the open source enterprise-grade authorization-as-a-service platform. Their open source toolchain includes projects such as Open Policy Agent and their platform was built to be enterprise-ready incredibly fast. Aserto has raised over $5M from investors including Heavybit and Costanoa Ventures. In this episode, we discuss the importance of market educ...

Paul Copplestone is Co-Founder & CEO of Supabase the open source Backend-as-a-Service company that provides storage, authentication, edge functions, and a postgres database to users.  Supabase's project, also called supabase , has 36K stars on GitHub and is positioned as the "open source Firebase alternative". Supabase has raised $116M from investors including Coatue, Felicis, and YC. In...

Vlad Ionescu is Founder & CEO of Earthly , the CI/CD framework that can run anywhere. Earthly's open source project, also called earthly , has over 7K GitHub stars and a slack channel with over 500 community members. Earthly has raised $3M from investors including 468 Capital, Uncorrelated Ventures, Hack VC, and Bessemer. In this episode, we discuss the distinction between source available and...

Kishore Gopalakrishna is Co-Founder & CEO of Startree , the real-time analytics platform that provides a managed service on top of the open-source distributed data store Apache Pinot . Kishore is also the co-creator of Apache Pinot, which was started while he was at LinkedIn. Since leaving to build Startree, Kishore and his team have raised $28M from investors including GGV, Bain Capital Ventu...

Abhishek Nayak is Co-Founder & CEO of Appsmith , the open source platform for building internal tools. The company's open source project, also called appsmith , has 19K stars and is a low code project to build admin panels, internal tools, and dashboards. Appsmith has raised over $50M from investors including Insight, Canaan, OSS Capital, and Accel.

Matthew Rocklin is Founder & CEO of Coiled , a company that sits on top of open-source Dask which makes Python highly scalable for data scientists. Coiled makes Dask enterprise-ready and gives users access to faster cluster startup times, savings on cloud costs, and allows them to run their Python workloads faster. Coiled has raised $26M from investors including Bessemer and Costanoa. In this...

David Cramer is the Co-Founder & CTO of Sentry , the open source error tracking and performance monitoring unicorn company used by over 3.5M developers and 85K organizations. The company's most popular open source project, also called sentry , has over 31K stars and lets users monitor and fix crashes in real-time. The server is in Python, but it contains a full API for sending events from any...

Bob van Luijt is the Co-Founder & CEO of SeMI Technologies , the company behind the open-source project Weaviate which is a vector search engine for ML models. Weaviate uses machine learning to vectorize (ie represent) and store data in order to more easily find answers to natural language queries. The project has 2.5K stars on GitHub and an almost 1K person Slack community of data scientists,...

Erica Brescia is the previous COO of GitHub and is currently an MD at Redpoint Ventures. Jono Bacon is a renowned Community Consultant who also has roots at GitHub. In this lively episode, Erica and Jono discuss their unique backgrounds in open source, how the ecosystem has evolved, open source business models & licenses, and advice for open source founders.

André Eriksson is the Founder of Stockholm-based Encore , the open-source backend development engine.  Encore's core open source project, also called encore , has almost 3K stars and helps developers escape the complexity that historically comes with setting up and managing distributed backend infrastructure. The company has raised $3M from the Open Source Startup Podcast's very own Tim Chen...

Matt Butcher is Co-Founder & CEO of Fermyon , the company building open source, WebAssembly-powered cloud tools.  The company's most popular open source project, spin , has over 1K stars and is a framework for building and running fast, secure, and composable cloud microservices with WebAssembly. 

Elena Samuylova is Co-Founder & CEO of Evidently AI , the open source ML monitoring platform. The company's open source project, also called evidently , has over 2K stars on GitHub and is used to evaluate and monitor ML models - from validation to production. The project's Discord channel has over 500 participants. Evidently AI is a YC company from the S21 batch and is HQ'd in San Francisco.

Nicolas Hourcard is Co-Founder & CEO of QuestDB , creators of the fastest open source time-series database questdb . Their database project has over 8K stars on GitHub and their Slack community has over 1.2K individuals.  QuestDB has raised over $14M from investors including 468 Capital, Uncorrelated Ventures, and Episode 1. 

Avi Press is Founder & CEO of Scarf , the platform that helps open-source companies understand how their code is being used.  Scarf has raised over $7M from investors including Race Capital and Freestyle Capital. 

Ajay Kulkarni is Co-Founder & CEO of TimescaleDB , the simplest SQL time-series database. The company's open-source project, timescaledb , has 13K stars and their slack community has over 8K participants.  TimescaleDB has raised over $180M from investors including Tiger, Redpoint, Icon, NEA and Benchmark. 

Arjun Narayan is Co-Founder & CEO of Materialize , the platform for building data-intensive applications with materialized views. The company's source-available project, also called materialize , has 3.9K stars and their slack channel has over 1.4K participants .  Materialize has raised over $100M from investors including Kleiner Perkins, Redpoint, and Lightspeed.  YouTube version of...

Soumyadeb Mitra is Founder & CEO of Rudderstack , the open-source bidirectional data pipeline platform. Their primary open source project rudder-server provides an open source alternative to SaaS platform Segment and has over 3K stars with a community of over 1.7K on Slack.    Rudderstack has raised $82M from investors including Insight Partners and Kleiner Perkins. 

Jack Naglieri is Founder & CEO of Panther , the platform to run security operations at scale. It includes detection-as-code, a robust security data lake, and huge scalability with zero-ops. The company started as open-source but closed sourced in 2021 .  Panther is a unicorn company having raised $140M+ from Coatue, ICONIQ, Lightspeed, and 645 Ventures. 

Artyom Keydunov is Co-founder & CEO of Cube.dev , the headless BI platform for building data apps. Cube.dev's open-source project, cube-js , has almost 13K stars on GitHub and helps data engineers and application developers access data from modern data stores, organize it into consistent definitions, and deliver it to every application. Cube.dev has raised over $20M from investors including Ba...

DeVaris Brown & Ali Hamidi are Co-founders of Meroxa , the platform for building real-time data pipelines. The company's open-source project Conduit lets users build and run their data pipelines.  Meroxa has raised almost $20M from investors including Drive Capital, Root VC, and Amplify Partners. 

Ian Tien is Co-founder & CEO of Mattermost , the open-source messaging and collaboration platform with customers including Fastly, Samsung, Bosch, NASA, AIG, Wealthfront, and the US Air Force. The company has multiple open-source projects focused on collaboration and 34K+ stars across them all.  Mattermost has raised $70M from investors such as YC and Redpoint.