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TON smart contract frameworks and SDKs

2 smart contract frameworks and SDKs whose own docs name TON, compared on price, network and the catch. Checked against each maker's own pages; last updated Oct 18, 2026.

ToolBest forPriceTONCatch
ActonBuilding, testing and deploying Tolk contracts on TONFree (open source)MainnetNo native Windows support; run it under WSL with Ubuntu 20.04 or newer
@ton/ton (TON JS Client)Reading TON state and sending transactions from JavaScriptFree (open source)MainnetDocs are mostly the README; expect to read examples and source

Compare two side by side: Acton vs @ton/ton (TON JS Client)

Acton

TON Core

Best for Building, testing and deploying Tolk contracts on TON

Catch No native Windows support; run it under WSL with Ubuntu 20.04 or newer

Chains
TONTON
Price
Free (open source)
View details: Acton Visit Acton

Common questions

What are the smart contract frameworks and SDKs for TON?
We list 2 whose own docs name TON: Acton, @ton/ton (TON JS Client). Each one links to the page we checked.
Which TON smart contract frameworks and SDKs have a free option?
Acton, @ton/ton (TON JS Client) have a free plan or are open source. A free trial alone doesn't count.
Which ones name TON mainnet?
Acton, @ton/ton (TON JS Client).

See every TON developer tool or all Smart contracts & SDKs picks. Prices change often, so confirm on each maker's page.

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