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Growth · alternatives · 2026

24 alternatives to Inbox by Vanilla

Free customer support software

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Inbox by Vanilla launched in 2024; newer entries below may have overtaken it.

  1. 1

    Free omnichannel customer service software

    2020 · bird.com · its alternatives →

  2. 2

    Next generation inbox

    2014 · google.com · its alternatives →

  3. 3

    Clean Up Your Inbox In Minutes Newsletter management, AI automation, and email analytics. Inbox Zero is the open-source email app that puts you back in control of your inbox.

    2023 · getinboxzero.com · its alternatives →

  4. 4

    Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.

    Aug 2026 · helloinbox.email · its alternatives →

  5. 5
    Mailero▲142

    Turn support emails into tickets

    Apr 2026 · mailero.com · its alternatives →

  6. 6
    Warmbox▲383

    Warm-up your inbox and never land in spam

    2021 · warmbox.ai · its alternatives →

  7. 7
    Inboxer▲212

    A clean, open-source desktop client for Google Inbox 💌

    2018 · denysdovhan.com · its alternatives →

  8. 8

    Make strangers pay for their cold emails

    2020 · its alternatives →

  9. 9

    Talk to your customers like a human, on the go

    2016 · gosquared.com · its alternatives →

  10. 10

    Speak to users of your mobile app, from inside your inbox.

    2014 · its alternatives →

  11. 11
    inbound ▲227

    Hey HN! I've been working on Inbound (inbound.new) - an email system that lets you programmatically manage email addresses and route them to AI agents, webhooks, or forward them anywhere. The core idea: instead of manually managing email addresses, you create them on-demand via API and route incoming emails to your AI agents or other automated systems. For AI Agents: Create [email protected] and emails get sent to your AI agent as webhooks. Your agent can reply using our SDK. Perfect for AI customer support or automated responses. For Email Forwarding: Set up [email protected] to…

    2025 · inbound.new · its alternatives →

  12. 12

    AI support agent, help center & changelogs in a single inbox

    Jun 2026 · releasedock.co · its alternatives →

  13. 13

    Organize emails and let your team respond from one inbox

    2015 · supportyard.com · its alternatives →

  14. 14

    Turn Slack channels into a customer inbox and helpdesk

    2020 · its alternatives →

  15. 15

    A drop-in notification center for your web and mobile apps

    2023 · courier.com · its alternatives →

  16. 16

    Team Inbox for Email, SMS & WhatsApp. Free up to 5 users.

    2020 · helpwise.io · its alternatives →

  17. 17FM

    Hi HN! We're Parthi and Kunal from FounderPhone (https://founderphone.com). FounderPhone is a shared customer support inbox for SMS and calls in Slack. We've built and shipped 7 products recently and if there's one thing we've learned, it's that your personal relationship with your customer is your secret weapon as a startup. Having customers email [email protected] or message a bot via Intercom doesn't feel personal. People are skeptical they will ever get a response. We've had a lot of success giving out our phone number to the top customers we really care about and telling…

    2020 · its alternatives →

  18. 18

    All messengers, one login to chat with clients effectively

    2021 · chatwerk.de · its alternatives →

  19. 19
    AskNeo▲203

    End-to-end Voice & SMS shared inbox for Teams

    Mar 2026 · askneo.io · its alternatives →

  20. 20
    Respondly▲132

    Team Inbox for Email & Twitter

    2014 · its alternatives →

  21. 21

    Empower your product manager. Let them decide what the messages to your users say, when those messages are triggered, as well as how they are sent (sms, email, etc.) while you focus on building product features. They'll be able to use trusted providers like sendgrid, twilio and apple so you don't have to worry about message delivery.

    2013 · outbound.io · its alternatives →

  22. 22
    HelpSpace▲112

    Simplify your customer support

    2021 · helpspace.com · its alternatives →

  23. 23

    Take back control of your inbox

    Nov 2025 · quiteinbox.xyz · its alternatives →

  24. 24
    Plumm▲61

    All customer support chats and emails in one shared inbox

    2020 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →