CRM
EspoCRM
Feature-complete CRM. Sales pipelines, customer database, automations.
github.com/EspoCRM/EspoCRMAll audience stacks
Curated for small businesses
Open-Source for Small businesses
Run your small business on open-source software in 2026. CRM, email, accounting, scheduling — all the systems you need without monthly subscription fees that eat your margin.
Scheduling
Cal.com
Free Calendly. Embed booking widget on your website.
github.com/calcom/cal.comEmail marketing
Listmonk
Newsletter without Mailchimp fees. Pay for sending only.
github.com/knadh/listmonkWebsite
WordPress
Still dominant for small biz sites. 1000s of themes + plugins.
github.com/WordPress/WordPressInvoicing
Invoice Ninja
Send invoices, accept payments, track expenses. Free for solo, paid for teams.
github.com/invoiceninja/invoicesTeam chat
Mattermost
Free internal chat with full history.
github.com/mattermost/mattermostFile storage
Nextcloud
Self-host Dropbox/Google Drive equivalent.
github.com/nextcloud/serverAnalytics
Umami
Privacy-first website analytics. No cookie banner.
github.com/umami-software/umamiFull curated directory + bundles
Lifetime gives you 100+ open-source tools with curator takes, 13 stack bundles, and 12 skill tracks. ₹99 once.
See pricing