Everything I've actually used.

No wishlist entries — every language, library, and tool below has shown up in a real project or notebook.

0 things across 7 categories
Languages
Python
C++
C
Java
SQL
JavaScript
HTML / CSS
Data handling & visualization
Pandas
NumPy
Matplotlib
Seaborn
SciPy
Statistics
Hypothesis testing
Probability distributions
Confidence intervals
Outlier detection
Z-scores
Machine learning
scikit-learn
Pipelines & ColumnTransformer
GridSearchCV / RandomizedSearchCV
Random Forest
XGBoost
Voting & Stacking ensembles
imbalanced-learn (SMOTE)
Kaggle competitions
Deep learning
Keras
TensorFlow
CNNs (Conv2D / MaxPooling2D)
RNN & LSTM
Word2Vec / GloVe embeddings
NLP
NLTK
Tokenization & text cleaning
Bag-of-Words / TF-IDF
Databases
SQLite
PostgreSQL
MySQL
Tools & workflow
Git & GitHub
Jupyter
VS Code
Streamlit
joblib
venv

On LeetCode

400+ problems deep via Striver's A2Z sheet, one a day alongside college. Strong in DP and graphs, still building up tries, greedy, and heaps.