diff --git a/src/composables/composable.alerts.js b/src/composables/composable.alerts.js
new file mode 100644
index 00000000..ba415c18
--- /dev/null
+++ b/src/composables/composable.alerts.js
@@ -0,0 +1,108 @@
+import _ from 'lodash'
+import moment from 'moment'
+import i18next from 'i18next'
+import { ref, computed, watch, onBeforeMount, onBeforeUnmount } from 'vue'
+import { utils as kCoreUtils } from '@kalisio/kdk/core.client'
+
+export function useAlerts(options) {
+  // Functions
+  function formatAlertDateTime (date) {
+    return date.toLocaleString(kCoreUtils.getLocale(),
+      { year: 'numeric', month: 'numeric', day: 'numeric', hour: '2-digit', minute: '2-digit' })
+  }
+  function getAlertDetailsAsHtml (alert) {
+    const isActive = _.get(alert, 'status.active')
+    const hasError = _.get(alert, 'status.error')
+    const checkedAt = new Date(_.get(alert, 'status.checkedAt'))
+    const triggeredAt = new Date(_.get(alert, 'status.triggeredAt'))
+    let html = getAlertLocationName(alert)
+    if (html) html += '</br>'
+    _.forOwn(alert.conditions, (value, key) => {
+      // Get corresponding variable
+      const variable = _.find(_.get(alert, 'layer.variables'), { name: key })
+      const label = i18n.t(variable.label) || variable.label
+      const unit = variable.units[0]
+      if (_.has(value, '$gte')) {
+        html += isActive
+          ? `${label} ` + i18n.t('CatalogActivity.ALERT_GTE') + ` ${value.$gte} ${unit}</br>`
+          : `${label} ` + i18n.t('CatalogActivity.ALERT_LTE') + ` ${value.$gte} ${unit}</br>`
+      }
+      if (_.has(value, '$lte')) {
+        html += isActive
+          ? `${label} ` + i18n.t('CatalogActivity.ALERT_LTE') + ` ${value.$lte} ${unit}</br>`
+          : `${label} ` + i18n.t('CatalogActivity.ALERT_GTE') + ` ${value.$lte} ${unit}</br>`
+      }
+    })
+    html += i18n.t('CatalogActivity.ALERT_CHECKED_AT') + ` ${formatAlertDateTime(checkedAt)}</br>`
+    if (isActive) {
+      // Order triggers by time to get nearest one easily, take care to unify weather/measure triggers
+      const triggers = _.sortBy(_.get(alert, 'status.triggers',
+        [trigger => moment.utc(trigger.time || trigger.forecastTime).valueOf()]))
+      const lastTrigger = _.last(triggers)
+      const firstTrigger = _.head(triggers)
+      // Check for forecast (future) or measure (past)
+      const lastTriggerAt = moment.utc(lastTrigger.time || lastTrigger.forecastTime)
+      const firstTriggerAt = moment.utc(firstTrigger.time || firstTrigger.forecastTime)
+      const now = moment.utc()
+      const nearestTrigger = (Math.abs(now.diff(firstTriggerAt)) < Math.abs(now.diff(lastTriggerAt)) ? firstTrigger : lastTrigger)
+      const nearestTriggerAt = new Date(nearestTrigger.time || nearestTrigger.forecastTime)
+      html += (nearestTrigger === lastTrigger ? i18n.t('CatalogActivity.ALERT_LAST') : i18n.t('CatalogActivity.ALERT_FIRST'))
+      html += i18n.t('CatalogActivity.ALERT_THRESHOLD_AT') + ` ${formatAlertDateTime(nearestTriggerAt)}</br>`
+      html += i18n.t('CatalogActivity.ALERT_TRIGGERED_AT') + ` ${formatAlertDateTime(triggeredAt)}</br>`
+    }
+    if (hasError) {
+      html += '</br><i class="la la-exclamation la-lg"></i><b>' +
+      i18n.t('errors.' + _.get(alert, 'status.error.data.translation.key')) + '</b></br>'
+    }
+    return html
+  }
+  function getAlertStatusAsHtml (alert) {
+    const isActive = _.get(alert, 'status.active')
+    const hasError = _.get(alert, 'status.error')
+    let html = ''
+    if (isActive) html += '<b>' + i18n.t('CatalogActivity.ALERT_ACTIVE') + '</b></br>'
+    else html += '<b>' + i18n.t('CatalogActivity.ALERT_INACTIVE') + '</b></br>'
+    // Layer name can be a translation key
+    html += (i18n.t(`${alert.layer.name}`) ? i18n.t(`${alert.layer.name}`) : `${alert.layer.name}`)
+    if (_.has(alert, 'feature')) {
+      // Try with default feature labels
+      let featureLabel = _.get(alert, 'properties.name', _.get(alert, 'properties.NAME'))
+      // Override if provided by layer
+      if (_.has(alert, 'layer.featureLabel')) featureLabel = _.get(alert, 'properties.' + _.get(alert, 'layer.featureLabel'))
+      if (featureLabel) html += ` - ${featureLabel}`
+    }
+    if (hasError) {
+      html += '</br><i class="la la-exclamation la-lg"></i><b>' +
+      i18n.t('errors.' + _.get(alert, 'status.error.data.translation.key')) + '</b></br>'
+    }
+    return html
+  }
+  function getAlertLocationName (alert) {
+    let name = _.get(alert, 'layer.name', '')
+    if (_.has(alert, 'feature')) {
+      // Try with default feature labels
+      name = _.get(alert, 'properties.name', _.get(alert, 'properties.NAME'))
+      // Override if provided by layer
+      if (_.has(alert, 'layer.featureLabel')) name = _.get(alert, 'properties.' + _.get(alert, 'layer.featureLabel'))
+    }
+    // Can be a translation key
+    return (i18n.t(name) ? i18n.t(name) : name)
+  }
+  function loadAlertLayer (alert) {
+    if (!_.has(alert, 'layer._id')) return null
+    let i18n = _.get(alert, 'layer.i18n')
+    // Process i18n
+    if (i18n) {
+      const locale = kCoreUtils.getAppLocale()
+      i18n = _.get(i18n, locale)
+      if (i18n) i18next.addResourceBundle(locale, 'kdk', i18n, true, true)
+    }
+  }
+
+  return {
+    getAlertDetailsAsHtml,
+    getAlertStatusAsHtml,
+    loadAlertLayer
+  }
+}
+
diff --git a/src/composables/composable.plan.js b/src/composables/composable.plan.js
new file mode 100644
index 00000000..ad533d25
--- /dev/null
+++ b/src/composables/composable.plan.js
@@ -0,0 +1,106 @@
+import _ from 'lodash'
+import { ref, computed, watch, onBeforeMount, onBeforeUnmount } from 'vue'
+import { useRouter, useRoute } from 'vue-router'
+import { api } from '@kalisio/kdk/core.client'
+
+export function usePlan(options) {
+
+  // Data
+  const route = useRoute()
+  const planId = ref(null)
+  const plan = ref(null)
+  const objectiveFilters = ref([])
+  let planService = ''
+
+  // Functions
+  function hasPlan () {
+    return planId.value
+  }
+  function hasPlanLocation () {
+    return _.has(plan.value, 'location.latitude') && _.has(plan.value, 'location.longitude')
+  }
+  function hasPlanObjectives () {
+    return (_.get(plan.value, 'objectives', []).length > 0)
+  }
+  async function loadPlan (query = {}) {
+    if (!planId.value) {
+      plan.value = null
+    } else {
+      plan.value = await api.getService(planService, options.contextId).get(planId.value, { query })
+    }
+  }
+  function onPlanUpdated (updatedPlan) {
+    if (plan.value && (updatedPlan._id === plan.value._id)) {
+      plan.value = updatedPlan
+    }
+  }
+  function onPlanRemoved (removedPlan) {
+    if (plan.value && (removedPlan._id === plan.value._id)) {
+      plan.value = null
+      planId.value = null
+    }
+  }
+  function getPlanQuery () {
+    const query = {}
+    if (!_.isEmpty(planId.value)) {
+      Object.assign(query, {
+        plan: planId.value
+      })
+    }
+    return query
+  }
+  function refreshPlanId () {
+    const id = _.get(route, 'query.plan', null)
+    if (planId.value !== id) planId.value = id
+  }
+  function getPlanObjectiveQuery () {
+    if (_.isEmpty(objectiveFilters.value)) return {}
+    else return { objective: { $in: objectiveFilters.value } }
+  }
+  async function countEvents (query = {}) {
+    const eventsService = api.getService('archived-events', options.contextId)
+    const response = await eventsService.find({ query: Object.assign(query, getPlanQuery()), $limit: 0 })
+    return response.total
+  }
+  async function countClosedEvents (query = {}) {
+    const eventsService = api.getService('archived-events', options.contextId)
+    const response = await eventsService.find({ query: Object.assign(query, { deletedAt: { $exists: true } }, getPlanQuery()), $limit: 0 })
+    return response.total
+  }
+
+  // Lifecycle hooks
+  watch(() => route.to, refreshPlanId)
+  
+  onBeforeMount(() => {
+    // Jump to archive whenever required
+    planService = (_.get(route, 'name').includes('archived') ? 'archived-plans' : 'plans')
+    refreshPlanId()
+    const plansService = api.getService(planService, options.contextId)
+    // Keep track of changes once plan is loaded
+    plansService.on('patched', onPlanUpdated)
+    plansService.on('updated', onPlanUpdated)
+    plansService.on('removed', onPlanRemoved)
+  })
+
+  // Cleanup for appendItems
+  onBeforeUnmount(() => {
+    const plansService = api.getService(planService, options.contextId)
+    plansService.off('patched', onPlanUpdated)
+    plansService.off('updated', onPlanUpdated)
+    plansService.off('removed', onPlanRemoved)
+  })
+
+  return {
+    plan,
+    planId,
+    objectiveFilters,
+    hasPlan,
+    hasPlanLocation,
+    hasPlanObjectives,
+    loadPlan,
+    getPlanQuery,
+    getPlanObjectiveQuery,
+    countEvents,
+    countClosedEvents
+  }
+}
diff --git a/src/composables/index.js b/src/composables/index.js
new file mode 100644
index 00000000..86b0dc92
--- /dev/null
+++ b/src/composables/index.js
@@ -0,0 +1,2 @@
+export * from './composable.plan.js'
+export * from './composable.alerts.js'