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Antonio Sanchez Castellón

PROFILE

Antonio Sanchez Castellón

Over a three-month period, this developer focused on expanding Spanish-language accessibility for TriliumNext/Trilium and KotatsuApp/Kotatsu by delivering comprehensive localization and internationalization features. They established a scalable Weblate-driven translation workflow, enabling consistent updates and traceable commits across both repositories. Their work included translating nearly all UI strings and documentation, with Spanish coverage reaching over 97% in Trilium and near completion in Kotatsu. Utilizing JSON, XML, and Markdown, they managed front end development and translation tasks, ensuring a seamless user experience for Spanish-speaking users while laying the groundwork for future multilingual support and streamlined localization processes.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

8Total
Bugs
0
Commits
8
Features
4
Lines of code
289
Activity Months3

Your Network

276 people

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 Highlights for Trilium (TriliumNext/Trilium): Delivered comprehensive Spanish UI localization to widen accessibility and improve UX for Spanish-speaking users. Localization progress reached 97.2% (1949/2005 strings) via Weblate with commit 6131ba78294efabd956ba6cde51839219bca6f36. No major bugs fixed this month as work prioritized localization. Impact: expanded user base, smoother onboarding for Spanish users, and a scalable localization framework for future languages. Skills demonstrated include internationalization (i18n), Weblate integration, translation workflow management, cross-functional collaboration, and Git-based delivery.

January 2026

3 Commits • 1 Features

Jan 1, 2026

Spanish localization for Trilium Notes in January 2026 focused on both Documentation and UI. Key deliveries include complete Spanish README translation and UI translations for error messages, buttons, and other UI elements. Localization progress on the Trilium Client reached 93.5% (1650 of 1763 strings) with subsequent commits showing 94.2% (1662 of 1763 strings). No major bugs were recorded in the provided data. This work expands accessibility for Spanish-speaking users, supports broader adoption, and demonstrates a scalable i18n workflow using Weblate and commit-based traceability.

October 2025

4 Commits • 2 Features

Oct 1, 2025

Monthly summary for 2025-10: Delivered substantial localization work across Kotatsu and Trilium, advancing accessibility for Spanish-speaking users and establishing a scalable internationalization workflow. Key contributions include near-complete Spanish translation in Kotatsu and full localization across Trilium's website, server, and client.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage27.6%

Skills & Technologies

Programming Languages

JSONMarkdownXML

Technical Skills

Internationalizationdocumentationfront end developmentinternationalizationlocalizationtranslation

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

TriliumNext/Trilium

Oct 2025 Apr 2026
3 Months active

Languages Used

XMLJSONMarkdown

Technical Skills

Internationalizationdocumentationfront end developmentlocalizationtranslation

KotatsuApp/Kotatsu

Oct 2025 Oct 2025
1 Month active

Languages Used

JSON

Technical Skills

internationalizationlocalizationtranslation