Open-source alternatives to everyday SaaS products
Open source alternatives
List of open-source alternatives to everyday SaaS products.
Artificial intelligence chatbot/ LLM (ChatGPT alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| OpenAssistant | open-assistant.io |  |
| Leon | getleon.ai |  |
| ChatRWKV | twitter.com/BlinkDL_AI |  |
AI code completion (Github CoPilot alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| FauxPilot | github.com/fauxpilot/fauxpilot/wiki |  |
| YouCompleteMe | ycm-core.github.io/ycmd |  |
Team knowledge base (Notion alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| AppFlowy | appflowy.io |  |
| AFFiNE | affine.pro |  |
Internal tools (Retool alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Appsmith | appsmith.com |  |
| ToolJet | tooljet.com |  |
| Budibase | budibase.com |  |
| ILLA | illacloud.com |  |
| Openblocks | openblocks.dev |  |
| Windmill | windmill.dev |  |
Web analytics (Google Analytics alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Matomo | matomo.org |  |
| Umami | umami.is |  |
| Plausible | plausible.io |  |
Note-taking/ Knowledge management (Evernote alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Joplin | joplinapp.org |  |
| Logseq | logseq.com |  |
| SiYuan | b3log.org/siyuan/en |  |
| Notesnook | notesnook.com |  |
Company blogs/ newsletters (WordPress alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Ghost | ghost.org |  |
Blogging platform/ Personal website builder (Medium alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| WriteFreely | writefreely.org |  |
| btw | btw.so |  |
Static website generator:
| Company | Website | GitHub stars |
|---|---|---|
| Hugo | gohugo.io |  |
| Jekyll | jekyllrb.com |  |
| 11ty | 11ty.dev |  |
| Zola | getzola.org |  |
Website builder (Wix, Strikingly, Webflow alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| DoTenX | dotenx.com |  |
Icons (Noun Project alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Font-Awesome | fontawesome.com |  |
| feather | feathericons.com |  |
| Bootstrap | icons.getbootstrap.com |  |
| RemixIcon | remixicon.com |  |
Collaborative design tool (Figma alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Penpot | penpot.app |  |
| Radix Primitives | radix-ui.com |  |
| Plasmic | plasmic.app |  |
| Quant-UX | quant-ux.com |  |
Online forms (Typeform alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Formbricks | formbricks.com |  |
Session replay and analytics (Fullstory alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| highlight | highlight.io |  |
Content Management System/ CMS (Contentful alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Strapi | strapi.io |  |
| Payload | payloadcms.com |  |
| Webiny | webiny.com |  |
Log management (Papertrail alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Graylog | graylog.org |  |
To-do app:
| Company | Website | GitHub stars |
|---|---|---|
| super-productivity | super-productivity.com |  |
Community management:
| Company | Website | GitHub stars |
|---|---|---|
| Discourse | discourse.org |  |
Kanban board (Trello alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| WeKan | wekan.github.io |  |
| Focalboard | focalboard.com |  |
| Kanboard | kanboard.org |  |
| Planka | planka.app |  |
Social network/ Micro-blogging (Twitter alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Mastodon | joinmastodon.org |  |
| HumHub | humhub.com |  |
| Elgg | elgg.org |  |
Ticket management (Zendesk, Freshdesk alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Peppermint | peppermint.sh |  |
Scheduling tool (Calendly alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Cal.com | cal.com |  |
Smart spreadsheet (Airtable alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| NocoDB | nocodb.com |  |
| Luckysheet | dream-num.github.io/LuckysheetDocs |  |
| APITable | apitable.com |  |
Team communication (Slack, Discord alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Rocket.chat | rocket.chat |  |
| Mattermost | mattermost.com |  |
| Zulip | zulip.com |  |
| Element | element.io |  |
| Spacebar | spacebar.chat |  |
| RelatedChat | relatedcode.com |  |
Live chat (Intercom alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Chatwoot | chatwoot.com |  |
User authentication (Auth0 alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Keycloak | keycloak.org |  |
| SuperTokens | supertokens.com |  |
| Logto | logto.io |  |
Digital search experience (Algolia alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Typesense | typesense.org |  |
Backend-as-a-Service (Firebase alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Supabase | supabase.com |  |
| Appwrite | appwrite.io |  |
| Nhost | nhost.io |  |
Customer data platform/ CDP (Segment alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Jitsu | jitsu.com |  |
Link shortener (Bitly alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Dub | dub.sh |  |
Online store builder (Shopify alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Vue Storefront | vuestorefront.io |  |
| Sylius | sylius.com |  |
| Presta | prestashop-project.org |  |
| Bagisto | bagisto.com |  |
Password manager (1Password alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Bitwarden | bitwarden.com |  |
| Padloc | padloc.app |  |
Email delivery (Mailgun, SendGrid alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Postal | docs.postalserver.io |  |
Usage-based billing (Stripe, Chargebee alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Lago | getlago.com |  |
File uploader:
| Company | Website | GitHub stars |
|---|---|---|
| Uppy | uppy.io |  |
Notification infrastructure:
| Company | Website | GitHub stars |
|---|---|---|
| Novu | novu.co |  |
| ntfy | ntfy.sh |  |
| Apprise | hub.docker.com/r/caronc/apprise |  |
API Development (Postman alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| hoppscotch | hoppscotch.io |  |
| Insomnia | insomnia.rest |  |
Programmatic videos:
| Company | Website | GitHub stars |
|---|---|---|
| Remotion | remotion.dev |  |
Data warehouse (Snowflake alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Databend | databend.rs |  |
Annotation:
| Company | Website | GitHub stars |
|---|---|---|
| doccano | doccano.herokuapp.com |  |
Feature management/ Feature flag:
| Company | Website | GitHub stars |
|---|---|---|
| Unleash | getunleash.io |  |
| Flagr | openflagr.github.io/flagr/ |  |
Product Analytics (Mixpanel, Amptitude alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| PostHog | posthog.com |  |
Video conferencing (Google Meet, Skype alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Jitsi Meet | jitsi.org |  |
| Element Call | call.element.io |  |
Personal cloud (Dropbox alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Nextcloud | nextcloud.com |  |
Business intelligence (Tableau, Looker, Power BI alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Metabase | metabase.com |  |
Platform-as-a-Service/ PaaS (Heroku, Netlify, Vercel alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Dokku | dokku.com |  |
| CapRover | caprover.com |  |
| Coolify | coolify.io |  |
| Kubero | kubero.dev |  |
Unified Communication Platform & Telephony API (Twilio alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Fonoster | fonoster.com |  |
Bug tracking/ Error tracking (Sentry alternatives):
| Company | Website | GitHub stars |
|---|---|---|
| Bugzilla | bugzilla.org |  |
Invoicing:
| Company | Website | GitHub stars |
|---|---|---|
| Invoice Ninja | invoiceninja.com |  |
| Crater | crater.financial |  |
| SolidInvoice | solidinvoice.co |  |
Graph database:
| Company | Website | GitHub stars |
|---|---|---|
| JanusGraph | janusgraph.org |  |
| Memgraph | memgraph.com |  |
Vector database:
| Company | Website | GitHub stars |
|---|---|---|
| Milvus | milvus.io |  |
| Weaviate | weaviate.io |  |
| activeloopai/deeplake | activeloop.ai |  |
| CozoDB | cozodb.org |  |
Time-series database:
| Company | Website | GitHub stars |
|---|---|---|
| Prometheus | prometheus.io |  |
| QuestDB | questdb.io |  |
| OpenTSDB | opentsdb.net |  |
| KairosDB | kairosdb.github.io |  |
Criteria
- Product is open-source and repo is actively being maintained.
- It is a product (not a library) and ideally has a popular closed-source alternative.
- Repo has atleast 100 stars on GitHub.
Contributing
Looking for contributors to add missing startups/ projects. Please submit a PR (the products are listed in descending order by number of GitHub stars) or feel free to DM @deeptivchopra.