Series B Companies
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Series B Companies
| Company | Stage | Founded | Description |
|---|---|---|---|
| Ably | B | 2016 | Realtime application infrastructure. |
| Airbyte | B | 2020 | Open source data integration and pipeline. |
| Archera | B | 2019 | Cloud cost control. |
| Bit | B | 2015 | Composable software components. |
| Braintrust | B | 2023 | LLM prompting and evaluation. |
| Browserbase | B | 2024 | Headless browsers-as-a-service. |
| BrowserStack | B | 2011 | App and browser device simulation testing. |
| Buildkite | B | 2014 | Continuous integration pipeline platform. |
| Census | B | 2018 | Data activation platform for data warehouses. |
| ChaosSearch | B | 2017 | Data indexing for input into analytics. |
| Checkly | B | 2018 | Code-based monitoring. |
| Clerk | B | 2019 | User management platform. |
| CodeRabbit | B | 2023 | AI code reviews. |
| Comet | B | 2017 | Machine learning model lifecycle management and monitoring. |
| Comfy | B | 2024 | Workflow engine for visual AI |
| Courier | B | 2019 | Developer infrastructure for product notifications. |
| Cube | B | 2019 | Data source and application middleware. |
| Cursor | B | 2023 | LLM copilot-based code editor. |
| Cypress | B | 2015 | Testing automation tools. |
| Daily | B | 2016 | WebRTC-based APIs for video and audio app development. |
| Dash0 | B | 2023 | OpenTelemetry-based observability. |
| Deepinfra | B | 2022 | Hosted AI models-as-a-service. |
| deepset | B | 2018 | Applied data analytics via large language models. |
| Detectify | B | 2013 | Security vulnerability scanning, monitoring and pentesting. |
| Ditto | B | 2018 | Cross-platform device data sync. |
| Duality | B | 2016 | Privacy-enhanced data computing. |
| Endor Labs | B | 2021 | Software supply chain security. |
| Evervault | B | 2019 | Payments security. |
| Expo | B | 2013 | Cross-platform native apps and websites development kit. |
| Fidel API | B | 2012 | Payments infrastructure API. |
| Finch | B | 2020 | API for employment systems. |
| Galileo | B | 2021 | LLM evaluation and observability. |
| Gremlin | B | 2016 | Enterprise chaos engineering platform. |
| Groundcover | B | 2021 | Cloud-native application monitoring. |
| Hume | B | 2021 | AI toolkit for understanding human emotion. |
| Incident.io | B | 2021 | On-call incident management. |
| Komodor | B | 2020 | AI SRE. |
| LangChain | B | 2022 | Framework to build and operate LLM apps. |
| Lightning AI | B | 2019 | Cloud IDE for AI application development. |
| LogRocket | B | 2016 | Performance monitoring, session playback and analytics. |
| Lokalise | B | 2017 | Continuous language translation for websites and mobile apps. |
| Luciq | B | 2014 | Mobile app testing. |
| Merge | B | 2020 | HR, recruiting, and accounting API integration. |
| Metabase | B | 2014 | Open source analytics for company data. |
| Mintlify | B | 2022 | Technical documentation. |
| Modular | B | 2022 | Machine learning and AI infrastructure. |
| Nanonets | B | 2017 | Workflow automation. |
| Onehouse | B | 2021 | Data lakehouse. |
| OpenRouter | B | 2023 | API for AI models. |
| Orkes | B | 2020 | AI agent workflow orchestration. |
| Parallel Web Systems | B | 2023 | Web search API. |
| Patronus AI | B | 2023 | Simulation data for model training. |
| Pinecone | B | 2019 | Hosted vector database for AI search applications. |
| Prefect | B | 2018 | Workflow orchestration for machine learning. |
| Preset | B | 2019 | Data analysis and visualization based on Apache Superset. |
| Prismatic | B | 2019 | Product code integrations. |
| Qdrant | B | 2021 | Vector database. |
| Qodo | B | 2022 | LLM-based code generation. |
| Railway | B | 2020 | Infrastructure-as-a-service for app deployments. |
| Raycast | B | 2020 | Command bar. |
| Reducto | B | 2023 | Document parsing API. |
| Roboflow | B | 2020 | Computer vision as-a-service. |
| Rollbar | B | 2012 | Error monitoring and remediation. |
| Seldon | B | 2014 | MLOps and machine learning platform. |
| Snowplow | B | 2012 | Data creation and common schemas. |
| Sonar | B | 2008 | Clean code tools. |
| Speechmatics | B | 2006 | Speech-to-text APIs. |
| StackBlitz | B | 2017 | Browser-based collaborative editor. |
| StackHawk | B | 2019 | Application security testing. |
| Stream | B | 2014 | Stream makes it easy to add chat and messaging to applications. |
| Stream.Security | B | 2020 | Cloud infrastructure security modeling and detection. |
| Stytch | B | 2020 | Authentication API. |
| Tessell | B | 2021 | Database platform-as-a-service. |
| TileDB | B | 2017 | Multimodal database. |
| Tinybird | B | 2019 | Developer tools for building data products over analytical data. |
| Twingate | B | 2019 | Zero trust network access. |
| Tyk | B | 2015 | API gateway and security. |
| Unleash | B | 2019 | Feature flags as a service. |
| Unstructured | B | 2022 | Data extraction, transformation and loading for LLMs. |
| Vapi | B | 2021 | Build, test and deploy voice agents. |
| Voiceflow | B | 2019 | AI agent creation. |
| Voxel51 | B | 2016 | Dev tools for machine learning. |
| Warp | B | 2020 | Faster terminal interface with autocomplete. |
| Weaviate | B | 2019 | Open-source vector database. |
| WorkOS | B | 2019 | Enterprise features as a service. |
| Zama | B | 2020 | Open source cryptography. |
| Zed | B | 2021 | Open source code editor. |
| Zilliz | B | 2017 | Vector database. |