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3D Graphics Software

Alternatives to: AutoCAD

Open sourceStarsPrivate
Blender BlenderBlender-
FreeCAD FreeCADFreeCAD-

API Documentation

Alternatives to: Gitbook, ReadMe

Open sourceStarsPrivate
Docusaurus DocusaurusDocusaurus-

API Gateway

Alternatives to: Apigee

Open sourceStarsPrivate
Apache APISIX Apache APISIXApache APISIXYes

API Platform

Alternatives to: Postman

Open sourceStarsPrivate
Fusio FusioFusioYes
Hoppscotch HoppscotchHoppscotchYes
Insomnia InsomniaInsomnia-

Accounting

Alternatives to: Xero

Open sourceStarsPrivate
Akaunting AkauntingAkauntingYes
Crater CraterCrater-
InvoiceNinja InvoiceNinjaInvoiceNinjaYes

Audio space

Alternatives to: Clubhouse, Twitter Spaces

Open sourceStarsPrivate
JamRepo-

Auth & SSO

Alternatives to: Auth0, Firebase Authentication, Okta

Open sourceStarsPrivate
Authentik AuthentikAuthentik-
BoxyHQ BoxyHQBoxyHQ-
Cerbos CerbosCerbosYes
FusionAuth FusionAuthFusionAuthYes
Hanko HankoHankoYes
Keycloak KeycloakKeycloakYes
OPAL (Permit.io) OPAL (Permit.io)OPAL (Permit.io)Yes
Ory OryOryYes
Oso OsoOsoYes
Supertokens SupertokensSupertokensYes

Backend as a Service (BaaS)

Alternatives to: Firebase

Open sourceStarsPrivate
Amplication AmplicationAmplicationYes
Appwrite AppwriteAppwriteYes
Kuzzle KuzzleKuzzleYes
Nhost NhostNhostYes
Otomi OtomiOtomi-
Supabase SupabaseSupabaseYes

Business Intelligence

Alternatives to: DataStudio, Mode Analytics, PowerBI, Tableau

Open sourceStarsPrivate
Metabase MetabaseMetabaseYes
Preset PresetPresetYes

CMS

Alternatives to: Contentful

Open sourceStarsPrivate
Builder BuilderBuilderYes
Concrete ConcreteConcreteYes
Directus DirectusDirectusYes
Ghost GhostGhostYes
LavaLite LavaLiteLavaLite-
Netlify CMS Netlify CMSNetlify CMSYes
Plasmic PlasmicPlasmicYes
Strapi StrapiStrapiYes
Sulu SuluSuluYes
Tina TinaTinaYes
Umbraco UmbracoUmbracoYes
Webiny WebinyWebinyYes
Winter WinterWinter-
WordPress WordPressWordPressYes

Calendar

Alternatives to: Google Calendar

Open sourceStarsPrivate
FullCalendar FullCalendarFullCalendarYes

Cloud Asset Inventory

Alternatives to: AWS Config, AWS GuardDuty, GCP Cloud Asset Inventory

Open sourceStarsPrivate
CloudQuery CloudQueryCloudQueryYes

Cloud Data Warehouse

Alternatives to: Snowflake

Open sourceStarsPrivate
Databend DatabendDatabend-

Cloud Storage

Alternatives to: Amazon S3

Open sourceStarsPrivate
Ceph CephCeph-
Minio MinioMinioYes
Storj StorjStorjYes

Code collaboration tools

Alternatives to: BitBucket, GitHub

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CodebergRepo-
GitLab GitLabGitLabYes
Gitea GiteaGitea-
Gogs GogsGogs-
OneDev OneDevOneDev-
Pagure PagurePagure-
Sturdy SturdySturdyYes

Collaborative IPS Security

Alternatives to: GreyNoise

Open sourceStarsPrivate
CrowdSec CrowdSecCrowdSecYes

Communication

Alternatives to: Twilio

Open sourceStarsPrivate
Fonoster FonosterFonosterYes
Plivo PlivoPlivoYes

Customer Data Platform

Alternatives to: Segment

Open sourceStarsPrivate
Jitsu JitsuJitsuYes
Rudderstack RudderstackRudderstackYes

Customer Engagement

Alternatives to: Intercom, Zendesk

Open sourceStarsPrivate
Chaskiq ChaskiqChaskiqYes
Chatwoot ChatwootChatwootYes
Papercups PapercupsPapercupsYes

Cybersecurity

Alternatives to: AWS Config, AWS GuardDuty, GCP Cloud Asset Inventory, GreyNoise, OpenVPN, OpenVPN Access Server, Tailscale, Tenable Nessus

Open sourceStarsPrivate
CloudQuery CloudQueryCloudQueryYes
CrowdSec CrowdSecCrowdSecYes
Firezone FirezoneFirezoneYes
Gravitl GravitlGravitlYes
Nuclei NucleiNucleiYes

Database as a Service (DBaaS)

Alternatives to: Amazon Aurora, Firebase Database, Google Cloud Spanner

Open sourceStarsPrivate
PingCAP PingCAPPingCAPYes
Supabase PostgresYes
Yugabyte YugabyteYugabyteYes

Dependency Vulnerability Scanner

Alternatives to: GitHub Dependabot, Snyk

Open sourceStarsPrivate
LunaTrace LunaTraceLunaTraceYes

Design

Alternatives to: Figma

Open sourceStarsPrivate
Modulz ModulzModulzYes
Penpot PenpotPenpotYes
Quant UX Quant UXQuant UX-

Desktop Browser

Alternatives to: Google Chrome

Open sourceStarsPrivate
Brave Browser Brave BrowserBrave BrowserYes
FirefoxRepoYes

Dev Environment Management

Alternatives to: GitHub Codespaces

Open sourceStarsPrivate
Daytona DaytonaDaytona-

Document editor

Alternatives to: Google Docs

Open sourceStarsPrivate
Collabora Online Collabora OnlineCollabora OnlineYes
CryptPad CryptPadCryptPadYes
EtherPad EtherPadEtherPad-
HedgeDoc HedgeDocHedgeDoc-
OnlyOffice OnlyOfficeOnlyOfficeYes

E-commerce

Alternatives to: BigCommerce, Ecwid, Shogun, Shopify

Open sourceStarsPrivate
Bagisto BagistoBagistoYes
Mailchimp Open Commerce Mailchimp Open CommerceMailchimp Open CommerceYes
Medusa MedusaMedusaYes
PrestaShop PrestaShopPrestaShop-
Saleor SaleorSaleorYes
Shuup ShuupShuupYes
Sylius SyliusSyliusYes
Vendure VendureVendureYes
Vue Storefront Vue StorefrontVue StorefrontYes
WooCommerce WooCommerceWooCommerceYes

ELT / ETL

Alternatives to: Fivetran

Open sourceStarsPrivate
Airbyte AirbyteAirbyteYes
Dagster DagsterDagsterYes
Kestra KestraKestra-
Orchest OrchestOrchestYes
Prefect PrefectPrefectYes

ERP / CRM

Alternatives to: HubSpot, Microsoft Dynamics, Oracle Fusion ERP Cloud, SAP, Salesforce

Open sourceStarsPrivate
DoliCloud DoliCloudDoliCloudYes
Erpnext ErpnextErpnextYes
Odoo OdooOdooYes
SuiteCRM SuiteCRMSuiteCRMYes
erxes erxeserxesYes

Email marketing

Alternatives to: Mailchimp, Sendinblue

Open sourceStarsPrivate
Keila KeilaKeilaYes
Mailtrain MailtrainMailtrain-
Mautic MauticMautic-
listmonk listmonklistmonk-

Enterprise Search

Alternatives to: AWS Kendra, Algolia, Elastic Cloud, Google Vertex AI, QnA Maker

Open sourceStarsPrivate
AppBase AppBaseAppBaseYes
Elastic Search Elastic SearchElastic Search-
Jina.ai Jina.aiJina.aiYes
Meilisearch MeilisearchMeilisearchYes
Qdrant QdrantQdrantYes
SeMI's Weaviate SeMI's WeaviateSeMI's WeaviateYes
TypeSense TypeSenseTypeSenseYes
Zilliz's Milvus Zilliz's MilvusZilliz's MilvusYes
Zinc Labs's Zinc Zinc Labs's ZincZinc Labs's ZincYes
deepset deepsetdeepsetYes

eSignature

Alternatives to: DocuSign

Open sourceStarsPrivate
Documenso DocumensoDocumensoYes

Feature flag and toggle management

Alternatives to: LaunchDarkly

Open sourceStarsPrivate
FlagSmith FlagSmithFlagSmithYes
GrowthBook GrowthBookGrowthBookYes
Unleash UnleashUnleashYes

File Hosting

Alternatives to: Dropbox, Google Drive

Open sourceStarsPrivate
Filestash FilestashFilestashYes
Nextcloud NextcloudNextcloudYes
Owncloud OwncloudOwncloudYes
Seafile SeafileSeafile-

Financial Service

Alternatives to: Bloomberg

Open sourceStarsPrivate
OpenBBTerminalOpenBBTerminalYes

Forum Software

Alternatives to: Circle, Tribe

Open sourceStarsPrivate
Discourse DiscourseDiscourseYes
Flarum FlarumFlarum-
Forem ForemForemYes
Vanilla VanillaVanillaYes

Game Engine

Alternatives to: Unity, Unreal Engine

Open sourceStarsPrivate
Godot GodotGodot-
Heaps HeapsHeaps-

Graph database

Alternatives to: Amazon Neptune, TigerGraph

Open sourceStarsPrivate
ArangoDB ArangoDBArangoDBYes
Dgraph DgraphDgraphYes
Memgraph MemgraphMemgraphYes
Neo4j Neo4jNeo4jYes
TerminusDB TerminusDBTerminusDBYes

Helpdesk Solution

Alternatives to: Zendesk

Open sourceStarsPrivate
Helpy HelpyHelpyYes
Peppermint PeppermintPeppermintYes
UVdesk UVdeskUVdeskYes
Zammad ZammadZammadYes

Internal Tools

Alternatives to: Retool

Open sourceStarsPrivate
AppSmith AppSmithAppSmithYes
Budibase BudibaseBudibaseYes
Lowdefy LowdefyLowdefyYes
Tooljet TooljetTooljetYes

Kanban

Alternatives to: Trello

Open sourceStarsPrivate
Focalboard FocalboardFocalboardYes
Kanboard KanboardKanboard-
Restyaboard RestyaboardRestyaboardYes
Wekan WekanWekan-

Log Management

Alternatives to: Papertrail, Splunk

Open sourceStarsPrivate
GoAccess GoAccessGoAccess-
Graylog GraylogGraylogYes
Quickwit QuickwitQuickwit-

ML Ops

Alternatives to: AWS SageMaker, BigQuery ML, Google Vertex AI

Open sourceStarsPrivate
Cortex CortexCortexYes
MindsDB MindsDBMindsDBYes
Ploomber PloomberPloomberYes
Seldon SeldonSeldonYes
Zilliz's Towhee Zilliz's TowheeZilliz's TowheeYes

Media System

Alternatives to: Emby, Plex

Open sourceStarsPrivate
Jellyfin JellyfinJellyfin-
Kodi KodiKodi-

Messaging

Alternatives to: Discord, Microsoft Teams, Slack

Open sourceStarsPrivate
Element ElementElementYes
Fosscord FosscordFosscord-
Mattermost MattermostMattermostYes
Revolt RevoltRevolt-
Rocket.chat Rocket.chatRocket.chatYes
Twake TwakeTwakeYes
Wire WireWireYes
Zulip ZulipZulipYes

Metrics store

Alternatives to: Looker

Open sourceStarsPrivate
Cube.js Cube.jsCube.jsYes
LightDash LightDashLightDashYes
MLCraft MLCraftMLCraftYes
MetriQL MetriQLMetriQLYes

Mobile operating system

Alternatives to: Apple iOS

Open sourceStarsPrivate
AndroidRepoYes
LineageOS LineageOSLineageOS-
postmarketOSRepo-

NPM registry

Alternatives to: NPM

Open sourceStarsPrivate
Verdaccio VerdaccioVerdaccio-

No-code database

Alternatives to: AirTable

Open sourceStarsPrivate
BaserowRepoYes
NocoDB NocoDBNocoDBYes
Rowy RowyRowyYes

Notetaking

Alternatives to: Evernote, Notion, Onenote, Roam Research

Open sourceStarsPrivate
AppFlowy AppFlowyAppFlowyYes
Athens Research Athens ResearchAthens ResearchYes
Bangle.io Bangle.ioBangle.ioYes
Boost Note Boost NoteBoost NoteYes
Dendron DendronDendronYes
GitNoter GitNoterGitNoter-
JoplinJoplinYes
Logseq LogseqLogseqYes
Notabase NotabaseNotabaseYes
Outline OutlineOutlineYes
Trilium.ccTrilium.ccYes

Observability and monitoring

Alternatives to: AWS Lookout, Anodot, DataDog, NewRelic, Outlier, Sisu Data, LangSmith

Open sourceStarsPrivate
Chaos Genius Chaos GeniusChaos GeniusYes
GlitchTipRepo-
Grafana GrafanaGrafanaYes
Helicone HeliconeHeliconeYes
Netdata NetdataNetdataYes
Promotheus PromotheusPromotheus-
Sentry SentrySentryYes
SigNoz SigNozSigNozYes
Uptrace UptraceUptraceYes
VictoriaMetrics VictoriaMetricsVictoriaMetricsYes

Online interactive forms

Alternatives to: Typeform

Open sourceStarsPrivate
FormKit FormKitFormKit-
OhMyForm OhMyFormOhMyForm-
Super Easy Forms Super Easy FormsSuper Easy Forms-

Password manager

Alternatives to: 1Password, Lastpass

Open sourceStarsPrivate
AuthPass AuthPassAuthPass-
BitWarden BitWardenBitWardenYes
Buttercup ButtercupButtercup-
KeePassXC KeePassXCKeePassXC-
Padloc PadlocPadlocYes
Passbolt PassboltPassboltYes

Personal Finance

Alternatives to: YouNeedaBudget (YNAB)

Open sourceStarsPrivate
ActualbudgetActualbudget-

Photo sharing platform

Alternatives to: Instagram

Open sourceStarsPrivate
Pixelfed PixelfedPixelfed-

Platform as a Service (PaaS)

Alternatives to: Heroku, Render

Open sourceStarsPrivate
CapRover CapRoverCapRover-
Coolify CoolifyCoolifyYes
Dokku DokkuDokku-
OpenFaaS OpenFaaSOpenFaaS-
Porter PorterPorterYes
Qovery QoveryQoveryYes
Space Cloud Space CloudSpace CloudYes
Tsuru TsuruTsuru-

Presentations

Alternatives to: Google Slides

Open sourceStarsPrivate
DeckDeckGo DeckDeckGoDeckDeckGoYes
reveal.js reveal.jsreveal.js-

Product Analytics

Alternatives to: Amplitude, MixPanel

Open sourceStarsPrivate
PostHog PostHogPostHogYes

Product Feedback

Alternatives to: Canny

Open sourceStarsPrivate
Astuto AstutoAstuto-
ClearFlask ClearFlaskClearFlaskYes
Fider FiderFiderYes
LogChimp LogChimpLogChimp-

Project Management

Alternatives to: Asana, Jira, Notion, Trello

Open sourceStarsPrivate
Focalboard FocalboardFocalboardYes
Kanboard KanboardKanboard-
Leantime LeantimeLeantime-
OpenProject OpenProjectOpenProjectYes
Restyaboard RestyaboardRestyaboardYes
Taiga TaigaTaigaYes
Vikunja VikunjaVikunjaYes
Wekan WekanWekan-

Raw Image Processing

Alternatives to: Adobe Lightroom

Open sourceStarsPrivate
RawTherapee RawTherapeeRawTherapee-
darktable darktabledarktable-

Remote connectivity

Alternatives to: Teamviewer

Open sourceStarsPrivate
Apache Guacamole Apache GuacamoleApache Guacamole-
MeshCentral MeshCentralMeshCentral-
Myrtille MyrtilleMyrtille-
Remotely RemotelyRemotely-
RustDesk RustDeskRustDesk-

Reverse ETL

Alternatives to: Hightouch, NewRelic

Open sourceStarsPrivate
Grouparoo GrouparooGrouparooYes

Robotic Process Automation (RPA)

Alternatives to: UiPath

Open sourceStarsPrivate
RoboCorp RoboCorpRoboCorpYes

SQL Editor

Alternatives to: TablePlus

Open sourceStarsPrivate
Beekeeper Studio Beekeeper StudioBeekeeper StudioYes
Dbeaver DbeaverDbeaver-

Scheduling

Alternatives to: Calendly

Open sourceStarsPrivate
Cal.com (Calendso) Cal.com (Calendso)Cal.com (Calendso)Yes

Server control panel

Alternatives to: cPanel

Open sourceStarsPrivate
Hestia HestiaHestia-
Vesta VestaVestaYes
Webmin WebminWebmin-

Session replay software

Alternatives to: FullStory, LogRocket

Open sourceStarsPrivate
OpenReplay OpenReplayOpenReplayYes
rrweb rrwebrrweb-

Social media

Alternatives to: Facebook

Open sourceStarsPrivate
Mastodon MastodonMastodon-

Static web deployment

Alternatives to: Netlify, Vercel

Open sourceStarsPrivate
StaticDeploy StaticDeployStaticDeploy-

Streaming

Alternatives to: Twitch

Open sourceStarsPrivate
Glimesh GlimeshGlimeshYes

Team Wiki

Alternatives to: Tettra

Open sourceStarsPrivate
BookStack BookStackBookStack-
Docuwiki DocuwikiDocuwiki-
Outline OutlineOutlineYes

Timeseries database

Alternatives to: Kdb+

Open sourceStarsPrivate
InfluxDB InfluxDBInfluxDBYes
QuestDB QuestDBQuestDBYes
TDengine TDengineTDengineYes
TimescaleDB TimescaleDBTimescaleDBYes

VPN Server

Alternatives to: OpenVPN, OpenVPN Access Server, Tailscale

Open sourceStarsPrivate
Firezone FirezoneFirezoneYes
Gravitl GravitlGravitlYes

Vector graphic design

Alternatives to: Adobe Illustrator

Open sourceStarsPrivate
InkscapeRepo-

Vector search engine

Alternatives to: Algolia, Google Vertex AI

Open sourceStarsPrivate
Qdrant QdrantQdrantYes
SeMI's Weaviate SeMI's WeaviateSeMI's WeaviateYes
Zilliz's Milvus Zilliz's MilvusZilliz's MilvusYes

Video Conferencing

Alternatives to: Agora, Twilio, Zoom

Open sourceStarsPrivate
BigBlueButton BigBlueButtonBigBlueButton-
Jitsi JitsiJitsiYes
LiveKit LiveKitLiveKitYes
OpenVidu OpenViduOpenViduYes

Video platform

Alternatives to: YouTube

Open sourceStarsPrivate
NodeTube NodeTubeNodeTube-
Peertube PeertubePeertube-

Vulnerability scanner

Alternatives to: Tenable Nessus

Open sourceStarsPrivate
Nuclei NucleiNucleiYes

Website analytics

Alternatives to: Google Analytics

Open sourceStarsPrivate
Ackee AckeeAckee-
Countly CountlyCountlyYes
Fathom FathomFathomYes
GoatCounter GoatCounterGoatCounterYes
Matomo MatomoMatomoYes
Open Web Analytics Open Web AnalyticsOpen Web Analytics-
Plausible PlausiblePlausibleYes
Scale8 Scale8Scale8Yes
Umami UmamiUmamiYes

Workflow automation

Alternatives to: Integromat, Zapier

Open sourceStarsPrivate
ActiveWorkflow ActiveWorkflowActiveWorkflow-
Beehive BeehiveBeehive-
Flogo FlogoFlogo-
Huginn HuginnHuginn-
N8N N8NN8NYes
Node-RED Node-REDNode-RED-
Pipedream PipedreamPipedreamYes
Temporal TemporalTemporalYes
Windmill WindmillWindmillYes

Writing platform

Alternatives to: Medium

Open sourceStarsPrivate
Sigle SigleSigleYes
WriteFreely WriteFreelyWriteFreely-