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49 IDE logo

49 ide - a 2d canvas for managing coding agents

About 49 IDE

An IDE built as one infinite zoomable canvas instead of tabs, aimed at people running several CLI agents at once. Terminals, git graphs, issues, files and notes sit side by side in space, across projects and across machines, without SSH. The pitch is replacing fourteen terminal tabs with one canvas you can pan around. Note the licence: despite the project describing itself as open source, it ships under the Business Source License 1.1, which is source-available. It is free for individuals and for organisations under both one million dollars in trailing twelve-month revenue and one million in equity funding or debt; above either threshold a commercial licence is required. The licence converts to MIT on 2030-02-26.

Key Capabilities

One infinite 2D canvas instead of tabs, for running several agents at once

Reaches agents on other machines without SSH

Terminals, git graphs, issues, files and notes on the same surface

Self-hostable, with terminal I/O relayed rather than stored server-side per the vendor

Free for individuals and for companies under both revenue and funding thresholds

Perfect for

Several agents at once
Multi-machine setups
Individuals and small companies

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Source-available under BSL 1.1, not open source. Free to self-host for individuals, and for organisations with less than $1,000,000 trailing 12-month gross revenue AND less than $1,000,000 total equity funding or debt raised, affiliates included. Above either threshold a commercial licence must be purchased. Converts to the MIT licence on 2030-02-26. The vendor's site says "Free for individuals. Paid for businesses" and lists no price for the business tier. Terms read from the LICENSE file on 2026-09-09.
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