It’s time for the February monthly roundup 
The community is always building cool things, from innovative apps to educational tutorials. Here are just a handful from the past month to check out! Be sure to share your projects in Show the Community! or tag Streamlit on LinkedIn and X so others can learn and get inspired. 
Apps + components
Cosmograph—visualize big scale graph data in seconds. @Yang1
streamlit-firebase-auth—integrate Firebase Authentication into your app. @suzuki.shogo
DeepScript—craft your own script using AI, step-by-step. @johnwick
Etch A Sketch—draw images like on a 90s Etch A Sketch toy. @Adhokshaja_Pradeep
Minimize me—observe and explore Tensorflow optimizers. @KATE_INA
SensAI—create AI-powered courses with real-time guided learning. @dalmiaman
Videos
Learn Streamlit from Scratch - Live Coding the 30 Day Challenge @andfanilo
Learn to build a Monte Carlo Simulator with Streamlit @germancastano
Build a Research Agent with Deepseek, LangGraph, and Streamlit@Nariman
How to Build a UI for Your CrewAI AI Agent using Streamlit @tonykip
Build Your Own POWERFUL RAG Chatbot | Python, LangChain, Streamlit Thomas Janssen
Build an Advanced AI-Powered Technical Analysis Stock Dashboard (Gemini 2.0 Flash + Streamlit) @Deep-Charts
AI-Powered Trip Planner using CrewAI, LangChain & Streamlit | Step-by-Step Guide Code with Aarohi
Articles
Building an Identity-Aware Chatbot with Streamlit, Okta, and OpenAI @Oleksandr_Arsentiev
Building Interactive Applications with Snowflake and Streamlit Roger Garcia- Agentic RAG: Mastering Document Retrieval with CrewAI, DeepSeek, and Streamlit Vikram Bhat
Want to add to the list? Leave a link in the comments! 