Idea checked
an open source alternative to Zapier
There is already a crowded open-source Zapier alternative market, with n8n, Automatisch, Activepieces, Trigger.dev, and Pipedream-like tools all fighting for different user types.
Confidence: high — The signals contain many concrete competitors, HN launches, and user opinions, but no hard market data beyond a few valuation/usage anecdotes.
- hackernews 30
- github 20
- tavily 6
Who is already building this From data
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Automatisch positions itself directly as “the open source Zapier alternative” and has 13,923 GitHub stars, 1,054 forks, and recent activity as of 2026-02-11 [0].
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Activepieces launched on HN as an MIT-licensed no-code business automation tool and got 231 points and 62 comments [3].
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Trigger.dev is another open-source Zapier alternative, but aimed at developer-first event-driven background tasks; its first HN launch got 745 points and 190 comments [1], and v2 got 172 points and 39 comments [8].
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Pipedream is in the same broader category: it was pitched as a “AWS Lambda + Zapier alternative,” with over 700 integrated applications and open-source connectors [14].
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n8n appears repeatedly in the discussion as the self-hosted/open-source Zapier alternative people actually use or recommend [28][47][48][53].
What people actually say From data
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HN commenters say the main reason to want these tools is cheaper automation and self-hosting control, not just “open source” branding [48][54].
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Several commenters on Zapier-alternative launches say a comparable GUI matters; one comment says you are not a real alternative without a comparable web-based interface [52].
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Some builders think the best fit is developer-first rather than pure no-code: Trigger.dev explicitly said early feedback showed developers wanted something else than the initial product direction [8].
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A commenter on Automatisch said they wanted a desktop app that synthesizes Terraform/FaaS/API-gateway-style code behind the scenes, not a straightforward hosted GUI tool [50].
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Users on HN describe n8n as flexible and self-hostable, but also mention quirks and cloud instability [48].
Where the opening is Model estimate
The model's read of the signals below — not something anyone measured.
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The category is crowded, so a generic clone of Zapier is unlikely to stand out; the evidence shows multiple active competitors all using the same positioning [0][3][10][14][53].
- github automatisch/automatisch 2021-09-30
- hackernews Launch HN: Activepieces (YC S22) – Open-Source Zapier Alternative 2023-02-09
- hackernews Show HN: Automatisch – Open source workflow automation, an alternative to Zapier 2023-01-25
- hackernews Show HN: Pipedream 2.0 – AWS Lambda + Zapier alternative 2022-04-07
- hackernews Show HN: Pneumatic – free open-source workflow software 2024-10-25
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There is a clear split between no-code business users and developer-first users, and the signals suggest products win by choosing one side hard rather than serving everyone [1][8][50].
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One likely gap is a truly polished GUI plus self-hosting plus broad integrations, since commenters keep asking for exactly that and many projects lean developer-first instead [52][14].
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Another gap is packaging: one HN comment explicitly wanted a desktop app and cloud-provider-native execution, which none of the main signals show as the default pattern [50].
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The open-source field has many projects, but the signals do not show a clear winner for non-technical teams at scale beyond n8n being repeatedly mentioned [28][47][48].
How big the market might be Model estimate
The model's read of the signals below — not something anyone measured.
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Zapier itself was discussed on HN as reaching a $5B valuation with $1.3M of funding [51], which suggests the underlying market is large enough to support major software businesses.
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The HN reception for launches is strong: Trigger.dev opened with 745 points and 190 comments, and Automatisch got 317 points and 58 comments [1][10].
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Pipedream said it supports over 700 integrated applications [14], and Aivaro claimed 20+ integrations and 212 tools in its 2026 launch post [11], showing customers care about connector breadth.
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Automatisch’s GitHub star count of 13,923 is a sign of meaningful interest in open-source automation tooling [0].
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This is still not a clean market-sizing dataset: the signals are mostly launch posts, star counts, and comments rather than revenue or active-user numbers.
- github automatisch/automatisch 2021-09-30
- hackernews Show HN: We built a developer-first open-source Zapier alternative 2023-02-01
- hackernews Launch HN: Activepieces (YC S22) – Open-Source Zapier Alternative 2023-02-09
- hackernews Show HN: Automatisch – Open source workflow automation, an alternative to Zapier 2023-01-25
- hackernews Show HN: Pipedream 2.0 – AWS Lambda + Zapier alternative 2022-04-07
- hackernews Zapier reached a $5B valuation with $1.3M of funding 2021-03-11
What could go wrong Model estimate
The model's read of the signals below — not something anyone measured.
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Competition is intense and fragmented: the signals show many similar projects, including Automatisch, Activepieces, Trigger.dev, Pipedream, n8n, DoTenX, Huginn, and recent small repos [0][1][3][10][14][36][55].
- github automatisch/automatisch 2021-09-30
- hackernews Show HN: We built a developer-first open-source Zapier alternative 2023-02-01
- hackernews Launch HN: Activepieces (YC S22) – Open-Source Zapier Alternative 2023-02-09
- hackernews Show HN: Automatisch – Open source workflow automation, an alternative to Zapier 2023-01-25
- hackernews Show HN: Pipedream 2.0 – AWS Lambda + Zapier alternative 2022-04-07
- hackernews An open source no-code automation and more 2022-06-13
- hackernews Organice: An implementation of Org mode without the dependency of Emacs 2022-05-27
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A pure open-source claim can be undermined if the license is not actually open source; an HN thread called out n8n as source-available with commercial restrictions rather than open source [47].
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Users expect a simple GUI and low friction; if the product feels like a developer tool only, some buyers will reject it as “not an alternative” [52].
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Several projects in this space are already YC-backed or have visible launch traction, which raises the bar for distribution and credibility [3][1][10].
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The category spans many use cases, from security automation to AI agent workflows to webhooks and cron jobs, so scope creep is a real risk [18][22][51].
What to do this week Model estimate
The model's read of the signals below — not something anyone measured.
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Pick one wedge: either non-technical no-code teams or developer-first workflows. The signals suggest trying to serve both makes the product harder to position [1][8][50].
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Build around the most repeated demand signals: self-hosting, a clean GUI, and enough integrations to cover the common tools people mention like Slack, GitHub, Gmail, Stripe, and webhooks [0][14][44].
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Make the open-source story legally clean and explicit, because the category already has confusion around what is truly open source [47][3].
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Differentiate on one concrete promise instead of “Zapier but open source”; for example, cloud-provider-native execution, desktop-first authoring, or AI-assisted workflow creation [50][11][37].
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If you want a faster go-to-market, choose a narrow vertical like security automation or embedded app workflows, since those have clearer pain and existing examples in the signals [18][41][45].