Stak
stak.londonSports, conversation and documentary podcasts from Stak
Sports, conversation and documentary podcasts from Stak
Conversation-led audio study with recall and pronunciation exercises.
Shared inbox and visual email workflow that runs inside Gmail.
WhatsApp Business API platform for chatbots, broadcasts, a shared team inbox and a built-in CRM.
AI conversation scenarios in a virtual city.
Japanese conversation basics through audio and animated lessons.
AI speaking practice for English and 35+ languages
AI support agent that learns from your content and answers customer questions
Pronunciation practice with image-based vocabulary review.
Short story episodes with personalized language exercises.
AI presentation maker that turns ideas, documents and links into editable slides
Chrome extension that organizes AI chats across ChatGPT, Claude, Gemini, and Grok.
Instagram DM and comment automation with an AI agent that replies and captures leads.
Film-based English lessons with teacher support.
Spoken Spanish with transcripts and contextual explanations.
Real-estate contact management with a website and behaviour-informed follow-up
On-demand summaries of linked podcast episodes
Combine one-to-one and group chats with channel conversations for shared team topics.