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The GTI Label — this product's ethical and social footprint.

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Weighting: Balanced Climate first Labour first
B 65.3
65.3 / 100 medium

Weighted under the Balanced profile. 2 declared components across 2 layers.

The product itself

How this product scores on its own merits — its licence, ownership and openness — separate from the stack it's built on.

Own score medium 68.8

By layer

Hosting & network high 87.5

Self-hosted rack

Services medium 31.3

Stripe

By axis

The score is the vector — each axis is scored on its own, then weighted into the number above. Open an axis to see the reasoning behind it.

Data sovereignty & surveillance medium 58.3
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Where data lives and the surveillance capacity it grants. 5 = fully sovereign.

The product itself medium 3 / 5

Runs its own servers; still subject to local law.

Self-hosted rack high 5 / 5
Stripe medium 2 / 5
Environmental footprint high 50.0
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Energy source, hardware lifecycle, water/cooling. Follows provenance.

Self-hosted rack high 3 / 5
Stripe medium 3 / 5
Local economic benefit high 62.5
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Does the spend stay in-region (5) or leave (1)?

Self-hosted rack high 5 / 5
Stripe medium 2 / 5
Market concentration high 62.5
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Does using this reinforce a chokepoint or monopoly? 5 = no lock-in / many alternatives.

Self-hosted rack high 5 / 5
Stripe medium 2 / 5
Openness & lock-in medium 66.7
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Can you leave, and can others reach it? 5 = open access with no account required and easy data export; 1 = a walled garden — account-gated, proprietary, hard to export.

The product itself medium 4 / 5

Open protocols (JMAP/IMAP/CalDAV/CardDAV) and full export — use any client, leave anytime.

Self-hosted rack high 5 / 5
Stripe medium 2 / 5
Ownership model medium 75.0
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Who benefits from ownership? Shareholder / private-equity extraction (1) vs worker-owned / nonprofit / state or public-good (5).

The product itself medium 5 / 5

Staff-owned and subscription-funded — no outside shareholders or ads.

Self-hosted rack high 5 / 5
Stripe medium 2 / 5
Software freedom (FOSS) medium 58.3
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Is the software free & open-source, and under what licence? 5 = fully FOSS under an OSI-approved licence; 1 = proprietary / closed source.

The product itself medium 3 / 5

Authored JMAP and maintains the open-source Cyrus IMAP server; the app itself is proprietary.

Self-hosted rack high 5 / 5

An open-source OS and stack (BSD or Linux) on hardware you own.

Stripe medium 2 / 5

Proprietary SaaS; only client SDKs are open.

Upstream labour high 50.0
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Chip fabrication, warehouse, data-labelling conditions. Follows provenance.

Self-hosted rack high 3 / 5
Stripe medium 3 / 5

Similar labels

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E 9.1
Gmail (Google Workspace)
9.1 / 100