Twenty
A CRM project with a documented Docker Compose self-hosting route and a customizable app-building surface.
Use when: You need a relationship record that can match your account and evaluation workflow.
86 selected resources · 2026-10-09
Keep account relationships and next actions coherent.
Compare the data model and ownership workflow before migrating contacts or adding enrichment.
A CRM project with a documented Docker Compose self-hosting route and a customizable app-building surface.
Use when: You need a relationship record that can match your account and evaluation workflow.
Online scheduling product and booking infrastructure: calendar sync, booking templates, unlimited bookings, booking questions/approval, invite-only links and team/organization controls; it also offers infrastructure for embedding bookings into products and marketplaces.
Use when: Excellent dev/data gap candidate: scheduling can be embedded via infrastructure rather than bolted onto a CRM, with low-cost self-serve plans and a documented usage-priced API/platform path.
Sales CRM for lead management, email, calling, SMS, pipelines, sequences, reporting and AI-assisted sales activity.
Use when: Good for small sales teams that want CRM, communication and pipeline execution without stitching together separate dialer and sequencing tools.
A customer-support/customer-engagement platform combining an omnichannel collaborative inbox, website chat, shared email inbox, support CRM, AI agent/automated conversations, workflow automation, and inbound-sales chat workflows. Product page evidence: "All inbound conversations from all channels go into one collaborative inbox"; "Keep information about your customers in Crisp's built-in CRM"; and "Built for customer support, marketing, and sales teams."
Use when: Small and growing SaaS, ecommerce, or online-service teams that want one relatively simple inbox for chat/email/social channels, lightweight customer context, automated support and lead capture, with predictable workspace pricing instead of seat-by-seat pricing.
Regie.ai provides AI-native sales enablement, prospecting, sequencing, messaging, and multichannel outreach tools while keeping human sellers in the loop.
Use when: Evaluate Regie.ai against a defined AI sales prospecting and sales engagement workflow and stated operating requirements.
Warmly is an AI-powered pipeline acceleration platform that identifies website visitors and helps sales teams engage and qualify high-intent buyers.
Use when: Evaluate Warmly against a defined Website visitor intelligence and AI GTM orchestration workflow and stated operating requirements.
Lavender is an AI sales email coach that helps sellers write personalized emails, research recipients, score messages, and improve replies and pipeline.
Use when: Evaluate Lavender against a defined AI sales email coaching and email intelligence workflow and stated operating requirements.
Amplemarket is an all-in-one AI sales platform that helps reps find opportunities, use buying signals, personalize outreach, and engage prospects across channels.
Use when: Evaluate Amplemarket against a defined AI sales intelligence, prospecting, and multichannel engagement workflow and stated operating requirements.
Combine collection, experimental control and qualitative feedback around one useful product action.
Choose an editorial system, list manager and delivery owner deliberately.
Connect publishing, crawl diagnosis and a sustainable social contribution plan.
Compare verified open-source cores and community editions across categories, including license boundaries and operating effort.
A selected library for SaaS, AI and developer-tool founders. Source-backed observations are separate from our advice; inclusion is not a ranking or a tested performance claim.