competitive space companies
Speech Understanding and Transcription AssemblyAI, Deepgram, Gladia, Hume, Speechmatics, Symbl.ai
Headless CMS Contentful, Gatsby, Prismic, Sanity, Storyblok, Strapi
Real-time data infrastructure Ably, Aerospike, CData, ClickHouse, Confluent, DeltaStream, Ditto, Imply, LiveKit, Momento, PartyKit, PubNub, Pusher, Redis, Redpanda, Streamkap, WarpStream
Automated testing BrowserStack, Cypress, Instabug, LambdaTest, Octomind, Sauce Labs, testRigor, WireMock
Low-code application builder Airplane, Bubble, Fastn, FlutterFlow, n8n, Retool, Stacker, Superblocks, VectorShift
Time series data InfluxData, QuestDB, Timescale
Video infrastructure 100ms, Agora, Cloudflare, Daily, Dolby.io, LiveKit, Mux, Twilio, Video SDK, Vonage
Custom AI models as an API Anthropic, Baseten, BentoML, Clarifai, Deepinfra, Fireworks AI, Gradient, HuggingFace, Mistral AI, Modal, Modular, Monster API, Neptune.ai, OpenAI, OpenPipe, Predibase, Prem AI, Replicate, Sieve, Substrate, Together AI
Code review Aviator, Axolo, CodeRabbit, CodeSee, Graphite, Greptile, Semgrep, Sonar
Email APIs Bird, Postmark, Resend, Twilio
Vector database Activeloop, Chroma, DataStax, Elastic, Epsilla, Marqo, Pinecone, Qdrant, Ragie, Vectara, Vectorize, Voyage AI, Weaviate, Zilliz
Webhook services Convoy, Hookdeck, Lunar.dev, Sequin, Svix
Product planning & analytics Chameleon, Frigade, Heap, Linear, LogRocket, Mixpanel, Propel Data, Swarmia
Data connectors Airbyte, Aiven, CData, Confluent, dbt, Fivetran, GlareDB, Onehouse, Redpanda, Select Star, Starburst
Feature flags DevCycle, Flagsmith, GrowthBook, Harness, Hypertune, LaunchDarkly, PostHog, Prefab, Split, Statsig, Tggl, Unleash, Vercel
Authorization and identity management Authentik Security, AuthZed, Clerk, Descope, FusionAuth, Ory, Oso, Permit.io, Persona, PropelAuth, Stytch, SuperTokens, Userfront, WorkOS
Cloud cost management Archera, Cast AI, Infracost, Vantage
Large Language Model (LLM) Routers Credal, Martian, Not Diamond, Portkey, Unify
Search-as-a-service Algolia, ChaosSearch, Elastic, Exa, Objective, Rockset
Containerized app hosting DigitalOcean, Gitpod, Netlify, Supabase, Vercel
Infrastructure instrumentation Datadog, Logz.io, Lumigo, Observe, PagerDuty, Polar Signals, Rollbar
Hosted backend infrastructure-as-a-service Airplane, Cloudflare, Convex, DBOS, DigitalOcean, Directus, HarperDB, Inngest, Koyeb, Netlify, PlanetScale, Platform.sh, Railway, Render, Replit, Supabase, Vercel, Webflow
Usage-based billing infrastructure Lago, Metronome, OpenMeter, Orb, Togai
Bug reports Jam, Replay
Chaos engineering Gremlin, Harness, Steadybit
SDK / Helper Library Generators for APIs APIMATIC, Fern, Liblab, Speakeasy, Stainless
Notifications infrastructure Bird, Courier, Knock, Raven, Twilio
Code integrations Integration.app, Merge, Nango, Prismatic, Unified.to
Continuous integration Bitrise, BuildBuddy, Buildkite, CircleCI, Codefresh, Dagger, Earthly, Harness, Ionic, Mergify, Nx, Semaphore, Sleuth
Incident response FireHydrant, Incident.io, PagerDuty
Large Language Model LLM Tools Align AI, Aporia, Braintrust, Cleanlab, Composable, Confident AI, Context.ai, Deepchecks, deepset, Encord, Exa, Gentrace, Gretel.ai, Guardrails AI, HuggingFace, Humanloop, LabelBox, Lakera, LangChain, Langfuse, Lightning AI, LllamaIndex, Martian, MutableAI, Neptune.ai, Ollama, OpenAI, Openlayer, OpenPipe, Ploomber, Portkey, Predibase, Promptfoo, PromptLayer, Refuel, RunPod, Seldon, Sieve, Superb AI, Surge AI, Unify, Unsloth, Unstructured, Velvet
API documentation APIMATIC, Bump, Fern, Mintlify, ReadMe, Redocly, Stoplight, Swimm
Managed database Cockroach Labs, Couchbase, DBOS, Dragonfly, EdgeDB, Elastic, FalkorDB, Fauna, Memgraph, MongoDB, Neo4j, Neon, PeerDB, Ragie, Redis, ScyllaDB, SingleStore, SurrealDB, Tembo, Tessell, TigerGraph, Turso, Upstash, Yugabyte
Application monitoring Better Stack, Checkly, Datadog, Dynatrace, Grafana Labs, Highlight.io, Instabug, Logz.io, New Relic, Rollbar, Sleuth
Secrets management Doppler, Evervault, HashiCorp, Infisical
GraphQL tools Apollo, Hasura, Inigo
Voice cloning ElevenLabs, Resemble AI
Infrastructure Observability Better Stack, Coralogix, Datadog, Dynatrace, Grafana Labs, Komodor, Logz.io, New Relic, Observe, Sentry, Shoreline, Sysdig, Vantage, vFunction
Data quality & observability Acceldata, Arize, Cleanlab, Datafold, Langfuse, LogicLoop, Metaplane, Portkey, Soda, WhyLabs
Mapping, geospatial, and space data Carto, Felt, Mapbox, OurSky
Code security Arnica, Chainguard, Endor Labs, GitGuardian, Greptile, HoundDog.ai, JFrog, Semgrep, Socket, Sonar
Data pipeline tools Airbyte, Astronomer, Bodo, CData, Census, Chalk, ChaosSearch, Cleanlab, ClickHouse, Confluent, Cube, Dagster, Datafold, Datagran, Dataiku, dbt, dltHub, DoubleCloud, Duality, Fivetran, Foundational, Hatchet, Imply, Kestra, LogicLoop, Matillion, Mostly AI, Onehouse, Streamkap, Tecton
Voice agents Deepgram, Retell AI, Vocode, Voiceflow
Text editors, IDEs and dev environments Coder, Cursor, Daytona, DevZero, Gitpod, JetBrains, Lightning AI, LocalStack, Ngrok, PopSQL, Qodo, Replit, StackBlitz, Tabnine, Tailscale, Warp, Zed
LLM evaluation tools Braintrust, Composable, Confident AI, Context.ai, Deepchecks, Encord, Gentrace, Guardrails AI, Helicone, Klu, Talc AI
Multimodal databases Aerospike, LanceDB, Objective, TileDB
Workflow automation & asynchronous processing Clarifai, Eden AI, n8n, Nanonets, Prefect, Restate, Temporal, Tines, Trigger.dev, Zapier
Resource access automation Antimatter, Veza
Foundational large language models (LLMs) AI21 Labs, Anthropic, Cohere, Mistral AI, OpenAI
Finance APIs and tools Alpaca, Fidel API, Finch, Finmark, Herald, Knot, Merge, Plaid, Pngme, RevenueCat, Stripe, TigerBeetle, UserHub
ML/AI model training Anyscale, Cerebrium, Chalk, Comet, Modular, Roboflow, Seldon, Sematic, Voxel51, XetHub
Software components and code libraries Bit, Ionic
Web scraping Bright Data, Browserbase
Information security and cybersecurity Bugcrowd, Chainguard, Crowdstrike, Datadome, Detectify, Fingerprint, JFrog, Lakera, P0 Security, Prowler, Pynt, Snyk, StackHawk, Stream.Security, Sublime Security, Sysdig, Zama
Technical documentation tools Bump, Fern, Mintlify, Multiplayer, MutableAI, ReadMe, Redocly
web3 Chainlink, Circle
Data providers Checkr, Clearbit
DevOps tools Ambassador, Bitrise, BuildBuddy, Buildkite, CircleCI, Cloudsmith, Codefresh, Firefly, FireHydrant, Flightcontrol, Harness, JFrog, LaunchDarkly, Nullstone, Pulumi, Sleuth, System Initiative, Tailscale
Language translation API DeepL, Lokalise
LLM Prompt Evaluation Aporia, Braintrust, Composable, Gentrace, Humanloop, Klu, Langfuse, Openlayer, Promptfoo, PromptLayer, Velvet
AI model orchestration Clarifai, Eden AI
Hardware and device management Esper, Fleet, JFrog, Kolide, Miradore
Content delivery networks (CDNs) Cloudflare, Edgee, Fastly
Configuration management & deployment automation Firefly, HashiCorp, Inngest, LocalStack, Nullstone, Octopus Deploy, Pulumi, Replicated, Spacelift
Platform-as-a-Service (PaaS) Flightcontrol, Fly.io, PlanetScale, Platform.sh, Ploomber, Rescale
Coding copilots Codeium, Cursor, GitHub, Qodo, Sourcegraph, Supermaven, Tabnine
Source control GitHub, GitLab
Data visualizations Dataiku, Hex, Metabase, Mostly AI, Motif Analytics, OpenSauced, PostHog, Preset, Rill, Sigma, Supersimple, Tinybird
Internal developer portal Harness, Humanitec, Port, Qovery, Rig
Chat infrastructure Intercom, Stream, Twilio
Customer data platform (CDP) Klaviyo, Snowplow, Twilio
API gateway and usage Ambassador, Kong, Moesif, Pipedream, Postman, Pynt, Rapid, Tyk
Communications APIs 100ms, Ably, Bandwidth, Bird, Mux, Nylas, Postmark, Stream, Twilio, Vonage
AI agents LangChain, Riza, Superagent, SuperAGI

By Matt Makai. 2021-2024.