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FastYoke vs Appsmith

Appsmith is an open-source builder for internal tools on top of your databases. FastYoke is a multi-tenant operational platform with its own data model, FSM workflow, RBAC, and audit. Same room, different products.

What Appsmith is good for

Open source, free to self-host. An Apache-2.0 community edition you can run on Docker, Helm, or Kubernetes at any team size, with infrastructure as the only line item. You own the deployment and can read the code.
Mature visual builder. A well-established drag-drop editor — tables, forms, charts, modals — with JavaScript everywhere and deep API/database integration. Engineers and PMs both ship in it.
Tools on top of what you already have. Point it at your existing Postgres, MySQL, REST, or GraphQL and build an admin panel the same afternoon. Great when the data already lives somewhere.

What FastYoke is good for

Its own data model, multi-tenant by architecture. Appsmith is a UI layer over databases you bring; FastYoke owns a per-tenant data model with isolation enforced at the OS layer. Every tenant's records live in their own file.
Workflow, RBAC, and audit on every tier. A strict FSM engine, a granular permission catalog with custom roles and a role-change audit log, and an append-only event ledger all ship in the base product — where Appsmith gates custom roles, workflows, and audit logs behind the paid Business tier.
One engine from laptop to air-gap. The light npx runtime for local dev, the full self-hosted engine (Docker or air-gapped On-Prem with no outbound), and managed cloud all speak one wire contract.

Head-to-head

Eight dimensions that distinguish the two products. Verdicts are one sentence each — read the rows, judge for yourself.

When to choose which

Choose Appsmith when…

you're building internal tools over an existing database
an Apache-2.0 engine you can read and self-host matters
you want a mature visual drag-drop editor
the data already lives somewhere and you need a UI on it
a single-workspace model is enough

Choose FastYoke when…

you're shipping a multi-tenant platform, not a single-org tool
you want an owned data model, not just a UI over a database
structured FSM workflow is the product
RBAC and audit are non-negotiable and must be on every tier
you need the same engine from local dev to an air-gapped deployment

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Dimension	Appsmith	FastYoke
Primary use case	Open-source low-code builder for internal tools and dashboards on top of your existing databases and APIs — drag-drop UI plus JavaScript.	Multi-tenant operational platform with FSM workflow, RBAC, and audit built in — and its own per-tenant data model, not just a UI over your database.
Local runtime / dev loop	Self-host locally via Docker; build in the visual editor against your connected data sources.	`npx fastyoke init` runs the light engine — no Docker, no account — with FSM, entities, forms, realtime, and the append-only log on a local SQLite file. Same wire contract as production.
Self-host & deployment	Self-host the community edition free via Docker, Helm, or Kubernetes; the app connects out to your data sources.	A single Rust binary — air-gapped On-Prem with literally no outbound (tenant data never leaves your network), or managed cloud. The same engine everywhere.
Multi-tenancy	Single-workspace / single-instance model; multi-tenant SaaS isn't the target, so isolation is something you architect yourself.	A database file per tenant, isolated at the operating-system layer — crossing tenants is mechanically impossible, not a query convention.
Permissions / RBAC	Three predefined roles on the free tier; granular and custom RBAC is gated to the paid Business tier.	A granular permission catalog with system and custom roles and a role-change audit ledger — shipped on every tier, including Free.
Audit	Audit logs are a paid Business-tier feature.	An append-only event ledger on every tier, plus ed25519 sealed-PDF evidence any auditor can verify at a public endpoint.
Workflow primitive	Workflows and reusable packages are a paid-tier feature; the core is UI-over-data with JavaScript logic.	A strict FSM engine — guards, transitions, self-loops, and an admin override — recorded to the event ledger, on every tier.
Pricing / license	Community edition is Apache-2.0 and free to self-host; Business is $15/user/mo (up to 99 users); Enterprise is $2,500/mo (100-user minimum). Custom roles, workflows, and audit logs require Business or above. Per appsmith.com/pricing, August 2026.	Every app is free; you pay for the platform above a hard-capped free tier — metered by transitions, storage, and egress with a spend cap you set — and RBAC and audit ship on every tier. Enterprise Platform covers air-gap and custom needs. Per fastyoke.io/pricing, August 2026.