Companies founded in 2021
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Companies founded in 2021
| Company | Stage | Founded | Description |
|---|---|---|---|
| Align AI | seed | 2021 | User analytics for AI products. |
| Anthropic | H | 2021 | Large language models (LLMs). |
| Arnica | seed | 2021 | Application and code security tools. |
| Aspect Build | seed | 2021 | Bazel build platform and support. |
| Aviator | seed | 2021 | Developer tools for code repositories. |
| Axolo | pre-seed | 2021 | Code review automation in Slack. |
| Better Stack | A | 2021 | Observability and log management. |
| Chainguard | D | 2021 | Software supply chain security. |
| Cleanlab | A | 2021 | Data quality issue identification and remediation. |
| ClickHouse | D | 2021 | Column-oriented datastore. |
| Convex | A | 2021 | Backend infrastructure-as-a-service. |
| DevCycle | seed | 2021 | Software feature flags. |
| Eden AI | pre-seed | 2021 | AI model orchestration. |
| Endor Labs | B | 2021 | Software supply chain security. |
| Exa | C | 2021 | Search engine for data and embeddings. |
| Fal | D | 2021 | AI model fine-tuning and hosting. |
| Felt | A | 2021 | Geospatial maps data. |
| Firefly | A | 2021 | Infrastructure-as-code scanning. |
| Flightcontrol | pre-seed | 2021 | Platform-as-a-service on AWS. |
| Galileo | B | 2021 | LLM evaluation and observability. |
| Greptile | A | 2021 | Code review bot. |
| Groundcover | B | 2021 | Cloud-native application monitoring. |
| Hume | B | 2021 | AI toolkit for understanding human emotion. |
| Incident.io | B | 2021 | On-call incident management. |
| Inigo | seed | 2021 | GraphQL management and security. |
| Inngest | seed | 2021 | TypeScript-based serverless functions. |
| Kinde | seed | 2021 | Authentication-as-a-service. |
| Knock | A | 2021 | Notifications infrastructure. |
| Lago | A | 2021 | Open source usage-based billing infrastructure. |
| Lakera | A | 2021 | Generative AI security. |
| Lightdash | A | 2021 | Agentic business intelligence. |
| LiveKit | C | 2021 | Real-time video, audio and data APIs. |
| LocalStack | A | 2021 | Local AWS development environment. |
| LogicLoop | seed | 2021 | Alerts and notifications for data. |
| Membrane | seed | 2021 | Automated code integrations for software. |
| Modal | C | 2021 | Serverless AI model infrastructure. |
| Momento | seed | 2021 | Real-time data infrastructure. |
| MutableAI | acquired | 2021 | AI code generation. |
| Neon | acquired | 2021 | Fully-managed PostgreSQL relational databases. |
| Objective | seed | 2021 | AI-native search-as-a-service. |
| Onehouse | B | 2021 | Data lakehouse. |
| Openlayer | A | 2021 | AI prompt and modeling alerting. |
| Orb | acquired | 2021 | Usage-based billing infrastructure. |
| Ploomber | seed | 2021 | Cloud platform for data scientists. |
| Plushcap | -- | 2021 | Capture developer trends to drive product and marketing for dev tools. |
| PromptLayer | seed | 2021 | Prompt engineering collaboration and evaluation. |
| Propel Data | seed | 2021 | API platform for building customer-facing analytics. |
| PropelAuth | seed | 2021 | Authentication infrastructure-as-a-service. |
| Qdrant | B | 2021 | Vector database. |
| Raven | seed | 2021 | Transactional message coordination. |
| Refuel | acquired | 2021 | Data enhancement with LLMs. |
| Replay | A | 2021 | Web browser for reproducing bugs. |
| Stainless | A | 2021 | Web API SDK generators. |
| Statsig | C | 2021 | Product analytics and experimentation. |
| Stigg | A | 2021 | Monetization control infrastructure. |
| Superblocks | A | 2021 | Low-code platform for internal applications. |
| Supersimple | pre-seed | 2021 | Self-service analytics dashboards for SaaS companies. |
| SurrealDB | A | 2021 | Database. |
| Svix | seed | 2021 | Webhooks as a service. |
| Tessell | B | 2021 | Database platform-as-a-service. |
| Turso | seed | 2021 | SQLite for production. |
| Upstash | A | 2021 | Serverless data platform. |
| Vapi | B | 2021 | Build, test and deploy voice agents. |
| Windsurf | acquired | 2021 | Coding copilot and IDE. |
| XetHub | acquired | 2021 | Training data collaboration. |
| Zed | B | 2021 | Open source code editor. |
| Zerve | seed | 2021 | Research and analytics data platform. |