diff --git a/content/projects/ramu/index.ca.md b/content/projects/ramu/index.ca.md
index d5e01ee..479eb7e 100644
--- a/content/projects/ramu/index.ca.md
+++ b/content/projects/ramu/index.ca.md
@@ -1,7 +1,7 @@
 +++
 title = "ラム (ramu)"
 description = "Una aplicació web per practicar la lectura i comprensió auditiva de nombres en japonès."
-weight = 30
+weight = 35
 
 [taxonomies]
 tags = ["Japonès", "interactiu", "web app", "web", "PWA", "JavaScript"]
diff --git a/content/projects/ramu/index.es.md b/content/projects/ramu/index.es.md
index 7ddc526..16eeb65 100644
--- a/content/projects/ramu/index.es.md
+++ b/content/projects/ramu/index.es.md
@@ -1,7 +1,7 @@
 +++
 title = "ラム (ramu)"
 description = "Una aplicación web para practicar la lectura y comprensión auditiva de números en japonés."
-weight = 30
+weight = 35
 
 [taxonomies]
 tags = ["Japonés", "interactivo", "web app", "web", "PWA", "JavaScript"]
diff --git a/content/projects/ramu/index.md b/content/projects/ramu/index.md
index d4084d6..8492384 100644
--- a/content/projects/ramu/index.md
+++ b/content/projects/ramu/index.md
@@ -1,7 +1,7 @@
 +++
 title = "ラム (ramu)"
 description = "A web app to practice reading and listening to Japanese numbers."
-weight = 30
+weight = 35
 
 [taxonomies]
 tags = ["Japanese", "interactive", "web app", "web", "PWA", "JavaScript"]
diff --git a/content/projects/streaming-royalties-calculator/index.ca.md b/content/projects/streaming-royalties-calculator/index.ca.md
index 860c74d..bfa69f8 100644
--- a/content/projects/streaming-royalties-calculator/index.ca.md
+++ b/content/projects/streaming-royalties-calculator/index.ca.md
@@ -4,7 +4,7 @@ description = "Una eina per calcular els royalties de streaming per a músics."
 weight = 45
 
 [taxonomies]
-tags = ["música", "web app", "web", "JavaScript", "anàlisi de dades"]
+tags = ["música", "interactiu", "web app", "web", "JavaScript", "anàlisi de dades"]
 
 [extra]
 local_image = "projects/streaming-royalties-calculator/streaming-royalties-calculator_logo.webp"
diff --git a/content/projects/streaming-royalties-calculator/index.es.md b/content/projects/streaming-royalties-calculator/index.es.md
index 6217d9b..a9f598f 100644
--- a/content/projects/streaming-royalties-calculator/index.es.md
+++ b/content/projects/streaming-royalties-calculator/index.es.md
@@ -4,7 +4,7 @@ description = "Una herramienta para calcular los royalties de streaming para mú
 weight = 45
 
 [taxonomies]
-tags = ["música", "web app", "web", "JavaScript", "análisis de datos"]
+tags = ["música", "interactivo", "web app", "web", "JavaScript", "análisis de datos"]
 
 [extra]
 local_image = "projects/streaming-royalties-calculator/streaming-royalties-calculator_logo.webp"
diff --git a/content/projects/streaming-royalties-calculator/index.md b/content/projects/streaming-royalties-calculator/index.md
index 96f5c38..c531834 100644
--- a/content/projects/streaming-royalties-calculator/index.md
+++ b/content/projects/streaming-royalties-calculator/index.md
@@ -4,7 +4,7 @@ description = "A tool to calculate streaming royalties for musicians."
 weight = 45
 
 [taxonomies]
-tags = ["music", "web app", "web", "JavaScript", "data analysis"]
+tags = ["music", "interactive", "web app", "web", "JavaScript", "data analysis"]
 
 [extra]
 local_image = "projects/streaming-royalties-calculator/streaming-royalties-calculator_logo.webp"
diff --git a/content/projects/zutsu/index.ca.md b/content/projects/zutsu/index.ca.md
new file mode 100644
index 0000000..eee28d3
--- /dev/null
+++ b/content/projects/zutsu/index.ca.md
@@ -0,0 +1,51 @@
++++
+title = "ずつ (zutsu)"
+description = "Una aplicació minimalista i privada de gestió de tasques."
+weight = 32
+
+[taxonomies]
+tags = ["interactiu", "productivitat", "web app", "web", "JavaScript"]
+
+[extra]
+local_image = "projects/zutsu/zutsu_logo.webp"
+canonical_url = "https://osc.garden/ca/projects/zutsu/"
+social_media_card = "social_cards/projects_zutsu.jpg"
++++
+
+{% wide_container() %}
+<video controls src="https://cdn.jsdelivr.net/gh/welpo/zutsu/assets/ずつ_demo.mov" title="demostració de zutsu"></video>
+{% end %}
+
+#### [Prova-la ara](https://zutsu.osc.garden) • [GitHub](https://github.com/welpo/zutsu) • [Article](https://osc.garden/ca/blog/zutsu-offline-task-planner-web-app/) {.centered-text}
+
+<ruby>ず<rt>zu</rt>つ<rt>tsu</rt></ruby> és una aplicació web de gestió de tasques dissenyada per ajudar-te a centrar-te en una tasca cada vegada. El nom ve de <ruby>一つ<rt>hitotsu</rt>ずつ<rt>zutsu</rt></ruby>, que significa «d'un en un» en <ruby>日本語<rt>japonès</rt></ruby>.
+
+## Per què?
+
+Volia substituir els esdeveniments de calendari inflexibles per a les sessions d'estudi per alguna cosa senzilla i adaptable. Sense aplicacions de tercers, sense sincronització al núvol, només un espai centrat en a la gestió de tasques.
+
+## Funcionalitats
+
+### Principals
+
+- Gestió de tasques amb possibilitat de reordenar-les arrossegant
+- Temporitzador amb durada personalitzable per tasca
+- Privada i offline —sense comptes, seguiment ni emmagatzematge al servidor
+- Importació/exportació de llistes de tasques (JSON)
+
+### Utilitats
+
+- Temporitzador Pomodoro
+- Calendari d'activitat (vista de 30 dies)
+- Comptador i cronòmetre
+- Espai per prendre notes
+- Selectors aleatoris
+
+### Qualitat de vida
+
+- Tema fosc i clar
+- Notificacions del navegador i so
+- Dreceres de teclat
+- Disseny responsive
+
+[![targeta social de zutsu](social_cards/projects_zutsu.jpg)](https://zutsu.osc.garden)
diff --git a/content/projects/zutsu/index.es.md b/content/projects/zutsu/index.es.md
new file mode 100644
index 0000000..ab56402
--- /dev/null
+++ b/content/projects/zutsu/index.es.md
@@ -0,0 +1,51 @@
++++
+title = "ずつ (zutsu)"
+description = "Una aplicación minimalista y privada de gestión de tareas."
+weight = 32
+
+[taxonomies]
+tags = ["interactivo", "productividad", "web app", "web", "JavaScript"]
+
+[extra]
+local_image = "projects/zutsu/zutsu_logo.webp"
+canonical_url = "https://osc.garden/es/projects/zutsu/"
+social_media_card = "social_cards/projects_zutsu.jpg"
++++
+
+{% wide_container() %}
+<video controls src="https://cdn.jsdelivr.net/gh/welpo/zutsu/assets/ずつ_demo.mov" title="demostración de zutsu"></video>
+{% end %}
+
+#### [Pruébala ahora](https://zutsu.osc.garden) • [GitHub](https://github.com/welpo/zutsu) • [Artículo](https://osc.garden/es/blog/zutsu-offline-task-planner-web-app/) {.centered-text}
+
+<ruby>ず<rt>zu</rt>つ<rt>tsu</rt></ruby> es una aplicación web de gestión de tareas diseñada para ayudarte a centrarte en una tarea a la vez. El nombre viene de <ruby>一つ<rt>hitotsu</rt>ずつ<rt>zutsu</rt></ruby>, que significa «uno por uno» en <ruby>日本語<rt>japonés</rt></ruby>.
+
+## ¿Por qué?
+
+Quería sustituir la inflexibilidad del calendario para planificar las sesiones de estudio por algo simple y adaptable. Sin aplicaciones de terceros, sin sincronización en la nube —solo un espacio centrado en la gestión de tareas.
+
+## Funcionalidades
+
+### Principales
+
+- Gestión de tareas con posibilidad de reordenarlas arrastrando y soltando
+- Temporizador con duración personalizable por tarea
+- Privada y offline —sin cuentas, seguimiento ni almacenamiento en servidor
+- Importación/exportación de listas de tareas (JSON)
+
+### Utilidades
+
+- Temporizador Pomodoro
+- Calendario de actividad (vista de 30 días)
+- Contador y cronómetro
+- Espacio para tomar notas
+- Selectores aleatorios
+
+### Calidad de vida
+
+- Tema oscuro y claro
+- Notificaciones del navegador y sonido
+- Atajos de teclado
+- Diseño responsive
+
+[![tarjeta social de zutsu](social_cards/projects_zutsu.jpg)](https://zutsu.osc.garden)
diff --git a/content/projects/zutsu/index.md b/content/projects/zutsu/index.md
new file mode 100644
index 0000000..8786b43
--- /dev/null
+++ b/content/projects/zutsu/index.md
@@ -0,0 +1,51 @@
++++
+title = "ずつ (zutsu)"
+description = "A private minimalist task management app."
+weight = 32
+
+[taxonomies]
+tags = ["interactive", "productivity", "web app", "web", "JavaScript"]
+
+[extra]
+local_image = "projects/zutsu/zutsu_logo.webp"
+canonical_url = "https://osc.garden/projects/zutsu/"
+social_media_card = "social_cards/projects_zutsu.jpg"
++++
+
+{% wide_container() %}
+<video controls src="https://cdn.jsdelivr.net/gh/welpo/zutsu/assets/ずつ_demo.mov" title="zutsu demo"></video>
+{% end %}
+
+#### [Try it now](https://zutsu.osc.garden) • [GitHub](https://github.com/welpo/zutsu) • [Blog post](https://osc.garden/blog/zutsu-offline-task-planner-web-app/) {.centered-text}
+
+<ruby>ず<rt>zu</rt>つ<rt>tsu</rt></ruby> is a task management web app designed to help you focus on one task at a time. The name comes from <ruby>一つ<rt>hitotsu</rt>ずつ<rt>zutsu</rt></ruby> which means "one at a time" in <ruby>日本語<rt>Japanese</rt></ruby>.
+
+## Why?
+
+I wanted to replace inflexible calendar events for study sessions with something simple and adaptable. No third-party apps, no cloud sync —just a focused space for task management.
+
+## Features
+
+### Core
+
+- Task management with drag-and-drop reordering
+- Timer with customizable duration for each task
+- Private & offline—no accounts, tracking, or server storage
+- Import/export task lists (JSON)
+
+### Utilities
+
+- Pomodoro timer
+- Activity calendar (30-day view)
+- Counter & stopwatch
+- Note-taking space
+- Random choice makers
+
+### Quality of life
+
+- Dark and light theme support
+- Browser and sound notifications
+- Keyboard shortcuts
+- Responsive design
+
+[![zutsu social media card](social_cards/projects_zutsu.jpg)](https://zutsu.osc.garden)
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