company name twitter handle current stage year founded
100ms 100mslive private (series A) 2020
Ably ablyrealtime private (series B) 2016
Acceldata acceldataio private (series C) 2018
Activeloop activeloopai private (series A) 2018
Aerospike aerospikedb private (series E) 2009
Agora AgoraIO public (NASDAQ: API) 2014
AI21 Labs AI21Labs private (series C) 2017
Airbyte AirbyteHQ private (series B) 2020
Airplane AirplaneDev acquired 2021
Aiven aiven_io private (series D) 2016
Algolia algolia private (series D) 2012
Align AI getalignai private (seed) 2021
Alpaca AlpacaHQ private (series B) 2015
Ambassador ambassadorlabs private (series B) 2014
Anthropic AnthropicAI private (series D) 2021
Antimatter antimatterhq private (series A) 2022
Anyscale anyscalecompute private (series C) 2019
APIMATIC APIMatic private (seed) 2014
Apollo apollographql private (series D) 2016
Aporia aporiaai private (series A) 2019
Archera ArcheraAi private (series B) 2019
Arize arizeai private (series A) 2019
Arnica ArnicaIO private (seed) 2021
AssemblyAI assemblyai private (series C) 2017
Astronomer astronomerio private (series C) 2018
Authentik Security authentikio private (seed) 2022
AuthZed authzed private (series A) 2020
Aviator Aviator_co_ private (seed) 2021
Axolo axolo_co private (pre-seed) 2021
Bandwidth bandwidth public (NASDAQ: BAND) 1999
Baseten basetenco private (series B) 2019
BentoML bentomlai private (seed) 2019
Better Stack betterstackhq private (series A) 2021
Bird messagebird private (series C) 2011
Bit bitdev_ private (series B) 2015
Bitrise bitrise private (series C) 2015
Bodo bodo_ai private (series A) 2019
Braintrust braintrustdata private (seed) 2023
Bright Data - private (private equity) 2014
Browserbase browserbasehq private (series A) 2024
BrowserStack browserstack private (series B) 2011
Bubble bubble private (series A) 2012
Bugcrowd Bugcrowd private (series E) 2012
BuildBuddy buildbuddy_io private (seed) 2019
Buildkite buildkite private (series A) 2014
Bump bump_hq private (pre-seed) 2017
Carto carto private (series C) 2012
Cast AI cast_ai private (series B) 2019
CData cdatasoftware private (series C) 2010
Census census private (series B) 2018
Cerebrium cerebriumai private (seed) 2022
Chainguard chainguard_dev private (series C) 2021
Chainlink chainlink private (series C) 2014
Chalk chalk private (seed) 2022
Chameleon trychameleon private (series A) 2015
ChaosSearch CHAOSSEARCH private (series B) 2017
Checkly checklyhq private (series B) 2018
Checkr checkr private (series E) 2014
Chroma trychroma private (seed) 2022
Circle circle private (private equity) 2013
CircleCI circleci private (series F) 2011
Clarifai clarifai private (series C) 2013
Cleanlab CleanlabAI private (series A) 2021
Clearbit clearbit acquired 2015
Clerk clerkdev private (series B) 2019
ClickHouse ClickhouseDB private (series B) 2021
Cloudflare cloudflare public (NYSE: NET) 2009
Cloudsmith cloudsmith private (series A) 2016
Cockroach Labs CockroachDB private (series F) 2015
Codefresh codefresh acquired 2014
Codeium codeiumdev private (series C) 2021
Coder coderhq private (series B) 2017
CodeRabbit coderabbitai private (series A) 2023
CodeSee Codeseeio acquired 2019
Cohere cohere private (series D) 2019
Comet Cometml private (series B) 2017
Composable ComposableP private (seed) 2024
Confident AI - private (pre-seed) 2023
Confluent ConfluentInc public (NASDAQ: CFLT) 2014
Contentful contentful private (series F) 2013
Context.ai - private (seed) 2023
Convex convex_dev private (series A) 2021
Convoy getconvoy private (pre-seed) 2022
Coralogix Coralogix private (series D) 2014
Couchbase couchbase private (series G) 2009
Courier trycourier private (series B) 2019
Credal credal_ai private (seed) 2022
Crowdstrike CrowdStrike public (NASDAQ: CRWD) 2011
Cube the_cube_dev private (series B) 2019
Cursor cursor_ai private (series A) 2023
Cypress Cypress_io private (series B) 2015
Dagger dagger_io private (series A) 2018
Dagster dagster private (series B) 2018
Daily trydaily private (series B) 2016
Datadog datadoghq public (NASDAQ: DDOG) 2010
Datadome data_dome private (series C) 2015
Datafold datafoldcom private (series A) 2020
Datagran datagran private (seed) 2017
Dataiku dataiku private (series F) 2013
DataStax datastax private (series G) 2010
Daytona daytonaio private (seed) 2023
DBOS DBOS_Inc private (seed) 2023
dbt getdbt private (series D) 2016
Deepchecks deepchecks private (seed) 2019
Deepgram DeepgramAI private (series B) 2015
Deepinfra DeepInfra private (seed) 2022
DeepL DeepLcom private (series C) 2017
deepset deepset_ai private (series B) 2018
DeltaStream DeltaStreamInc private (series A) 2020
Descope descopeinc private (seed) 2022
Detectify detectify private (series B) 2013
DevCycle DevCycleHQ private (seed) 2021
DevZero DevZeroHQ private (series A) 2022
DigitalOcean digitalocean public (NYSE: DOCN) 2012
Directus directus private (series A) 2020
Ditto dittolive private (series A) 2018
dltHub dltHub private (pre-seed) 2020
Dolby.io dolbyio acquired 2020
Doppler doppler private (series A) 2018
DoubleCloud getdoublecloud private (seed) 2021
Dragonfly dragonflydbio private (series A) 2022
Duality DualityTech private (series B) 2016
Dynatrace Dynatrace public (NYSE: DT) 2005
Earthly earthlytech private (seed) 2020
Eden AI edenaico private (pre-seed) 2021
EdgeDB edgedatabase private (series A) 2019
Edgee edgee_cloud private (pre-seed) 2024
Elastic elastic public (NYSE: ESTC) 2012
ElevenLabs elevenlabsio private (series B) 2022
Encord encord_team private (series B) 2020
Endor Labs EndorLabs private (series B) 2021
Epsilla epsilla_inc private (pre-seed) 2023
Esper Esperdev private (series C) 2017
Evervault evervault private (series A) 2019
Exa exaailabs private (series A) 2021
FalkorDB falkordb private (seed) 2023
Fastly fastly public (NYSE: FSLY) 2011
Fastn - private (seed) 2023
Fauna fauna private (series A) 2015
Felt felt private (series A) 2021
Fern buildwithfern private (seed) 2022
Fidel API FidelHQ private (series B) 2012
Finch tryfinch private (series B) 2020
Fingerprint FingerprintJs private (series C) 2019
Finmark finmarkhq acquired 2020
Firefly goFireflyio private (series A) 2021
FireHydrant FireHydrant private (series B) 2018
Fireworks AI thefireworksai private (series B) 2022
Fivetran fivetran private (series D) 2012
Flagsmith GetFlagsmith private (series bootstrapped) 2018
Fleet fleetctl private (series A) 2020
Flightcontrol flightcontrolhq private (pre-seed) 2021
FlutterFlow flutterflow private (series A) 2020
Fly.io flydotio private (series C) 2016
Foundational foundational_io private (seed) 2022
Frigade FrigadeHQ private (seed) 2022
FusionAuth fusionauth private (series A) 2018
Gatsby gatsbyjs acquired 2017
Gentrace GentraceAI private (seed) 2023
GitGuardian GitGuardian private (series B) 2017
GitHub github acquired 2008
GitLab gitlab public (NASDAQ: GTLB) 2014
Gitpod gitpod private (series A) 2016
Gladia gladia_io private (series A) 2022
GlareDB glaredb private (seed) 2022
Gradient gradient_ai_ private (seed) 2022
Grafana Labs grafana private (series D) 2014
Graphite withgraphite private (series A) 2020
Gremlin GremlinInc private (series B) 2016
Greptile greptileai private (seed) 2021
Gretel.ai gretel_ai private (series B) 2019
GrowthBook growth_book private (pre-seed) 2020
Guardrails AI guardrails_ai private (seed) 2023
Harness harnessio private (series D) 2016
HarperDB harperdbio private (seed) 2017
HashiCorp HashiCorp public (NASDAQ: HCP) 2012
Hasura hasurahq private (series C) 2017
Hatchet hatchet_dev private (pre-seed) 2023
Heap heap acquired 2013
Helicone helicone_ai private (pre-seed) 2023
Herald HeraldAPI private (seed) 2019
Hex _hex_tech private (series C) 2019
Highlight.io highlightio private (seed) 2020
Hookdeck Hookdeck private (seed) 2020
HoundDog.ai - private (seed) 2023
HuggingFace huggingface private (series D) 2016
Humanitec humanitec_com private (seed) 2017
Humanloop humanloop private (seed) 2020
Hume hume_ai private (series B) 2021
Hypertune HypertuneHQ private (pre-seed) 2022
Imply implydata private (series D) 2015
Incident.io incident_io private (series A) 2021
Infisical infisical private (seed) 2022
InfluxData influxdb private (series E) 2012
Infracost infracost private (seed) 2020
Inigo - private (seed) 2021
Inngest inngest private (seed) 2021
Instabug instabug private (series B) 2014
Integration.app IntegrationApp_ private (seed) 2021
Intercom intercom private (series D) 2011
Ionic IonicFramework private (series A) 2012
Jam jamdotdev private (series A) 2020
JetBrains jetbrains private (series bootstrapped) 2000
JFrog jfrog public (NASDAQ: FROG) 2008
Kestra kestra_io private (seed) 2022
Kinde HeyKinde private (seed) 2021
Klaviyo klaviyo public (NYSE: KVYO) 2012
Klu klu_ai private (pre-seed) None
Knock knocklabs private (series A) 2021
Knot KnotAPIs private (series A) 2019
Kolide kolide private (series B) 2016
Komodor Komodor_com private (series B) 2020
Kong thekonginc private (series D) 2017
Koyeb gokoyeb private (pre-seed) 2020
LabelBox labelbox private (series D) 2018
Lago GetLago private (series A) 2021
Lakera lakeraai private (series A) 2021
LambdaTest Lambdatesting private (series C) 2017
LanceDB lancedb private (seed) 2022
LangChain LangChainAI private (series A) 2022
Langfuse langfuse private (seed) 2022
LaunchDarkly LaunchDarkly private (series D) 2014
Liblab libLaber private (series A) 2022
Lightning AI LightningAI private (series B) 2019
Linear linear private (series B) 2019
LiveKit livekitted private (series A) 2021
LllamaIndex llama_index private (seed) 2023
LocalStack localstack private (series A) 2021
LogicLoop getlogicloop private (seed) 2021
LogRocket logrocket private (series B) 2016
Logz.io logzio private (series E) 2014
Lokalise lokalise private (series B) 2017
Lumigo lumigo private (series A) 2018
Lunar.dev lunardevapi private (seed) 2022
Mapbox mapbox private (series E) 2011
Marqo marqo_ai private (series A) 2022
Martian withmartian private (seed) 2022
Matillion matillion private (series E) 2011
Memgraph memgraphdb private (seed) 2016
Merge merge_api private (series A) 2020
Mergify mergifyio private (pre-seed) 2018
Metabase metabase private (series B) 2014
Metaplane metaplane private (series A) 2019
Metronome getmetronome private (series B) 2020
Mintlify mintlify private (series A) 2021
Miradore MiradoreLtd private (private equity) 2006
Mistral AI MistralAI private (series B) 2023
Mixpanel mixpanel private (series C) 2009
Modal modal_labs private (series A) 2021
Modular modular private (series B) 2022
Moesif MoesifHQ private (series A) 2017
Momento momentohq private (seed) 2021
MongoDB mongodb public (NASDAQ: MDB) 2007
Monster API monsterapis private (pre-seed) 2023
Mostly AI mostly_ai private (series B) 2017
Motif Analytics MotifAnalytics private (seed) 2022
Multiplayer trymultiplayer private (seed) 2023
MutableAI mutableai private (seed) 2021
Mux muxhq private (series D) 2015
n8n n8n_io private (series A) 2019
Nango NangoHQ private (pre-seed) 2022
Nanonets nanonets private (series B) 2017
Neo4j neo4j private (series F) 2007
Neon neondatabase private (series B) 2021
Neptune.ai neptune_ai private (series A) 2017
Netlify netlify private (series D) 2015
New Relic newrelic private (private equity) 2008
Ngrok ngrokHQ private (series A) 2015
Not Diamond - private (seed) 2024
Nullstone nullstone_io private (pre-seed) 2020
Nx NXdevtools private (series A) 2016
Nylas nylas private (series C) 2014
Objective objective_inc private (seed) 2021
Observe observe_inc private (series B) 2017
Octomind Octomind_dev private (seed) 2023
Octopus Deploy OctopusDeploy private (series A) 2012
Ollama ollama private (pre-seed) 2023
OmniAI getomni_ai private (seed) 2023
Onehouse Onehousehq private (series B) 2021
OpenAI OpenAI private (series D) 2015
Openlayer - private (seed) 2021
OpenMeter openmeterio private (seed) 2023
OpenPipe OpenPipeAI private (seed) 2023
OpenSauced saucedopen private (series bootstrapped) 2022
Orb useorb private (series B) 2021
Ory orycorp private (series A) 2019
Oso osoHQ private (series A) 2018
OurSky ourskyai private (seed) 2022
P0 Security p0security private (series A) 2022
PagerDuty pagerduty public (NYSE: PD) 2009
Parea PareaAI private (pre-seed) 2023
PartyKit partykit_io private (seed) 2023
PeerDB PeerDBInc acquired 2023
Permit.io permit_io private (series A) 2020
Persona persona_idv private (series C) 2018
Pinecone pinecone private (series B) 2019
Pipedream pipedream private (series A) 2019
Plaid Plaid private (series D) 2013
PlanetScale planetscaledata private (series C) 2018
Platform.sh platformsh private (series D) 2015
Ploomber ploomber private (seed) 2021
Pngme pngmemobile private (series A) 2018
Polar Signals PolarSignalsIO private (seed) 2020
PopSQL popsql private (series A) 2017
Port tweetsbyport private (series B) 2022
Portkey PortkeyAI private (seed) 2023
PostHog posthog private (series B) 2020
Postman getpostman private (series D) 2014
Postmark postmarkapp private (series C) 2003
Predibase predibase private (series A) 2020
Prefab prefabcloud private (series bootstrapped) 2017
Prefect PrefectIO private (series B) 2018
Prem AI filopedraz private (seed) 2023
Preset preset_data private (series B) 2019
Prismatic prismatic_io private (series B) 2019
Prismic prismicio private (series A) 2013
Promptfoo promptfoo private (seed) 2024
PromptLayer promptlayer private (pre-seed) 2021
Propel Data PropelDataCloud private (seed) 2021
PropelAuth propelauth private (seed) 2021
Prowler prowlercloud private (seed) 2023
PubNub PubNub private (series E) 2010
Pulumi pulumicorp private (series C) 2017
Pusher pusher acquired 2010
Pynt pynt_io private (seed) 2022
Qdrant qdrant_engine private (series A) 2021
Qodo QodoAI private (series A) 2022
Qovery qovery_ private (seed) 2020
QuestDB questdb private (series A) 2019
Ragie - private (seed) 2024
Railway Railway private (series A) 2020
Rapid Rapid_API acquired 2015
Raven ravenappdev private (seed) 2021
ReadMe readme private (series A) 2014
Redis Redisinc private (series G) 2011
Redocly Redocly private (seed) 2017
Redpanda redpandadata private (series C) 2019
Refuel refuelai private (seed) 2021
Render render private (series A) 2018
Replay replayio private (series A) 2021
Replicate replicate private (series B) 2019
Replicated replicatedhq private (series C) 2015
Replit replit private (series C) 2016
Rescale rescaleinc private (series C) 2011
Resemble AI resembleai private (series A) 2018
Resend resend private (seed) 2023
Restate restatedev private (seed) 2023
Retell AI retellai private (seed) 2023
Retool retool private (series C) 2017
RevenueCat revenuecat private (series C) 2017
Rig Rig_dev private (pre-seed) 2023
Rill RillData private (seed) 2020
Riza - private (pre-seed) 2023
Roboflow roboflow private (series A) 2020
Rockset RocksetCloud acquired 2016
Rollbar rollbar private (series B) 2012
RunPod runpod_io private (seed) 2022
Sanity sanity_io private (series C) 2018
Sauce Labs saucelabs private (private equity) 2008
ScyllaDB ScyllaDB private (series C) 2013
Seldon seldon_io private (series B) 2014
Select Star selectstarhq private (series A) 2020
Semaphore semaphoreci private (series bootstrapped) 2009
Sematic SematicAI private (seed) 2022
Semgrep semgrep private (series C) 2017
Sentry getsentry private (series E) 2011
Sequin sequin_io private (seed) 2020
Shoreline shoreline_io private (series B) 2019
Sieve sievedata private (seed) 2022
Sigma sigmacomputing private (series D) 2014
SingleStore singlestoredb private (series F) 2011
Sleuth sleuth_io private (series A) 2019
Snowplow snowplow private (series B) 2012
Snyk snyksec private (series F) 2015
Socket SocketSecurity private (series B) 2020
Soda sodadata private (series A) 2018
Sonar sonarsource private (series B) 2008
Sourcegraph sourcegraph private (series D) 2013
Spacelift spaceliftio private (series B) 2020
Speakeasy speakeasydev private (series A) 2022
Speechmatics Speechmatics private (series B) 2006
Split splitsoftware acquired 2015
StackBlitz stackblitz private (seed) 2017
Stacker StackerHQ private (series A) 2017
StackHawk stackhawk private (series B) 2019
Stainless StainlessAPI private (seed) 2021
Starburst starburstdata private (series D) 2017
Statsig statsig private (series B) 2021
Steadybit steadybithq private (series A) 2019
Stoplight stoplightio private (series A) 2015
Storyblok storyblok private (series C) 2017
Strapi strapijs private (series A) 2016
Stream getstream_io private (series B) 2014
Stream.Security StreamSecurity private (series B) 2020
Streamkap Streamkap private (seed) 2022
Stripe stripe private (series H) 2010
Stytch stytchauth private (series B) 2020
Sublime Security sublime_sec private (series A) 2019
Substrate substratelabs private (seed) 2023
Supabase supabase private (series C) 2020
Superagent superagent_ai private (pre-seed) 2023
SuperAGI _superAGI private (series A) 2023
Superb AI superb_hq private (series A) 2018
Superblocks superblocks private (series A) 2021
Supermaven SupermavenAI acquired 2024
Supersimple - private (pre-seed) 2021
SuperTokens supertokensio private (pre-seed) 2019
Surge AI HelloSurgeAI private (series A) 2020
SurrealDB surrealdb private (series A) 2021
Svix SvixHQ private (seed) 2021
Swarmia swarmiahq private (seed) 2019
Swimm swimm_io private (series A) 2019
Symbl.ai symbldotai private (series A) 2018
Sysdig sysdig private (series G) 2013
System Initiative thesysteminit private (series A) 2019
Tabnine tabnine acquired 2017
Tailscale tailscale private (series B) 2019
Talc AI - private (seed) 2023
Tecton TectonAI private (series C) 2019
Tembo tembo_io private (series A) 2022
Temporal temporalio private (series B) 2019
Tessell tessell private (series A) 2021
testRigor testrigor private (seed) 2015
Tggl TgglHQ private (series bootstrapped) 2022
TigerBeetle TigerBeetleDB private (series A) 2022
TigerGraph tigergraphdb private (series C) 2012
TileDB tiledb private (series B) 2017
Timescale timescaledb private (series C) 2015
Tines tines_hq private (series B) 2018
Tinybird tinybirdco private (series B) 2019
Togai togaiHQ acquired 2022
Together AI togethercompute private (series B) 2022
Trigger.dev triggerdotdev private (pre-seed) 2022
Turso tursodatabase private (seed) 2021
Twilio twilio public (NYSE: TWLO) 2008
Tyk tyk_io private (series B) 2015
Unified.to unified_api private (pre-seed) 2023
Unify letsunifyai private (seed) 2022
Unleash getunleash private (series A) 2019
Unsloth unslothai private (pre-seed) 2023
Unstructured UnstructuredIO private (series B) 2022
Upstash upstash private (series A) 2021
Userfront userfront_hq private (seed) 2019
UserHub userhub private (seed) 2022
Vantage joinvantage private (series A) 2020
Vectara vectara private (series A) 2022
Vectorize vectorizeio private (seed) 2023
VectorShift VectorShiftAI private (seed) 2023
Velvet use_velvet private (pre-seed) 2023
Vercel vercel private (series E) 2015
Veza vezainc private (series C) 2020
vFunction v_function private (series A) 2017
Video SDK video_sdk private (seed) 2020
Vocode vocodehq private (seed) 2023
Voiceflow - private (series B) 2019
Vonage VonageDev acquired 2001
Voxel51 voxel51 private (series B) 2016
Voyage AI VoyageAI private (series A) 2023
Warp warpdotdev private (series B) 2020
WarpStream warpstream_labs acquired 2017
Weaviate weaviate_io private (series B) 2019
Webflow webflow private (series C) 2012
WhyLabs whylabs private (series A) 2019
WireMock wiremockorg private (seed) 2011
WorkOS workos private (series B) 2019
XetHub xetdata acquired 2021
Yugabyte yugabyte private (series C) 2016
Zama zama_fhe private (series A) 2020
Zapier zapier private (series bootstrapped) 2011
Zed zeddotdev private (series A) 2021
Zilliz zilliz_universe private (series B) 2017

By Matt Makai. 2021-2024.