Survey of Software#

Systematic coverage of general-purpose software libraries. Measured research on algorithms, data structures, ML, and infrastructure—so you can build with confidence instead of guessing.

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1.001-009: Sorting & Searching Algorithms#

Completed: 9/9

✅ 1.001 Sorting Libraries - Timsort, parallel sorts, radix sorts
✅ 1.002 Fuzzy Search - FuzzyWuzzy, RapidFuzz, TheFuzz
✅ 1.003 Full-Text Search - Whoosh, Tantivy, MeiliSearch clients
✅ 1.004 Binary Search Trees - B-trees, AVL, Red-Black implementations
✅ 1.005 Spatial Search - PostGIS, Elasticsearch Geo, rtree
✅ 1.006 Graph Search - A*, Dijkstra, BFS/DFS implementations
✅ 1.007 Pattern Matching Algorithms - KMP, Boyer-Moore, Aho-Corasick, Rabin-Karp
✅ 1.008 Time Series Search - DTW, shapelet discovery
✅ 1.009 Similarity Search - LSH, MinHash, SimHash

1.010-019: Graph & Network Algorithms#

Completed: 10/10

✅ 1.010 Graph Analysis - NetworkX, graph-tool, igraph
✅ 1.011 Graph Database Clients - Neo4j, ArangoDB, TigerGraph
✅ 1.012 Community Detection - Louvain, label propagation, spectral
✅ 1.013 String Algorithms
✅ 1.014 Network Flow - Max flow, min cost flow
✅ 1.015 Graph Visualization - Graphviz, Gephi, Cytoscape
✅ 1.016 Social Network Analysis - Centrality, clustering coefficient
✅ 1.017 Bipartite Matching Libraries - NetworkX, scipy.optimize, lapjv
✅ 1.018 Graph Embedding - node2vec, DeepWalk, PyTorch Geometric, DGL
✅ 1.019 Dynamic Graphs - NetworkX temporal, DyNetx, teneto

1.020-029: Mathematical & Statistical Algorithms#

Completed: 7/10

✅ 1.020.1 Linear Programming - CVXPY, OR-Tools, PuLP optimization
✅ 1.021 Statistical Testing Libraries - Hypothesis testing, A/B testing
✅ 1.022 Optimization - scipy.optimize, OR-Tools, CVXPY, PuLP
✅ 1.023 Symbolic Math Libraries - SymPy vs SageMath
✅ 1.024 Random Number Generation Libraries - PCG, Mersenne Twister
✅ 1.025 Prime Factorization & Primality Testing Libraries - Factorization, primality testing
1.026 Combinatorics - Permutations, combinations, partitions
✅ 1.027 Numerical Integration Libraries - Quadrature methods
1.028 FFT Libraries - FFTW, pyFFTW, scipy.fft
1.029 Matrix Decomposition - SVD, eigenvalue, QR

1.030-039: String & Text Algorithms#

Completed: 12/15

✅ 1.030 String Matching - Exact, approximate, regex engines
✅ 1.031 Text Diff - Myers, patience diff, semantic diff
✅ 1.032 String Metrics - Edit distance, Jaro-Winkler, cosine
✅ 1.033 NLP Libraries - spaCy, Transformers, NLTK
- ✅ 1.033.1 Intent Classification - Zero-Shot, SetFit, sentence-transformers
- ✅ 1.033.2 Chinese Word Segmentation - Jieba, CKIP, pkuseg, LTP
- ✅ 1.033.3 CJK Tokenizers for LLMs - SentencePiece, tiktoken, HuggingFace
- ✅ 1.033.4 Named Entity Recognition (CJK) - spaCy, Stanford NER, BERT-NER
✅ 1.034 Email Libraries - smtplib, yagmail, MIME handling
✅ 1.035 Tokenization - SentencePiece, HuggingFace Tokenizers, tiktoken, YouTokenToMe
- ✅ 1.035.1 Chinese Tokenization - jieba, pkuseg, word segmentation strategies
1.036 Stemming & Lemmatization - Porter, Snowball, WordNet
1.037 String Compression - LZ4, Snappy, Zstandard for strings
1.038 Unicode Handling - Normalization, transliteration
✅ 1.039 Template Engines - Jinja2, Handlebars, Mustache

1.040-049: Data Structure Libraries#

Completed: 4/11

✅ 1.040 Collections - sortedcontainers, blist, pyrsistent
1.041 Probabilistic Structures - Bloom filters, count-min sketch
✅ 1.042 Tries - pygtrie, datrie, marisa-trie
1.043 Heaps & Priority Queues - Binary heap, Fibonacci heap
- ✅ 1.043.1 Task Queues - Celery, RQ, Huey, Dramatiq
1.044 Specialized Trees - Union-Find, Interval tree, Segment tree
1.045 Specialized Buffers - Circular buffer, ring buffer
1.046 Available for future use
✅ 1.047 Caching - Redis, Memcached, Varnish
1.048 Available for future use
1.049 Meta-Data Structures - Schema inspection, reflection

1.050-059: Compression & Encoding#

Completed: 3/10

✅ 1.050 Compression - zlib, brotli, zstd benchmarks
1.051 Image Compression - WebP, AVIF, JPEG XL
1.052 Video Codecs - FFmpeg bindings, av
1.053 Audio Compression - FLAC, Opus, MP3
1.054 Base Encoding - base64, base58, base32
✅ 1.055 Binary Serialization - msgpack, protobuf, flatbuffers
✅ 1.056 JSON Libraries - orjson, ujson, rapidjson
1.057 CSV Parsing - Performance comparison
1.058 XML Processing - lxml vs ElementTree vs xmltodict
1.059 YAML Libraries - PyYAML vs ruamel.yaml

1.060-069: Cryptography, Networking & Security#

Completed: 4/10

✅ 1.060 Cryptographic Libraries - cryptography vs PyNaCl
✅ 1.061 Hashing - hashlib, xxhash, blake3
✅ 1.062 Password Hashing - argon2-cffi vs bcrypt (covered in 1.060)
✅ 1.063 JWT Libraries - PyJWT, python-jose, Authlib
1.064 Threshold Signature / Secret Sharing - FROST, Shamir’s Secret Sharing, threshold ECDSA
1.065 P2P / Mesh Networking - libp2p, ZeroMQ, nanomsg, NAT traversal, relay discovery
1.066 Onion Routing / Anonymous Transport - Tor stem API, I2P SAM bridge, Nym mixnet
1.067 WebSocket Libraries - websockets, aiohttp WS, ws, Socket.IO, µWebSockets
1.068 API Proxy / MITM Frameworks - mitmproxy, Envoy, Traefik, transparent interception
1.069 Mobile Secure Storage / Keychain - iOS Keychain, Android Keystore, react-native-keychain

1.070-079: Machine Learning Algorithms#

Completed: 4/10

1.070 Clustering - scikit-learn vs hdbscan vs fastcluster
✅ 1.071 Dimensionality Reduction - UMAP, t-SNE, PCA
1.072 Anomaly Detection - Isolation Forest, LOF, autoencoders
✅ 1.073 Time Series Forecasting - Prophet, Darts, statsmodels
✅ 1.074 Gradient Boosting - XGBoost, LightGBM, CatBoost
✅ 1.075 Deep Learning Frameworks - PyTorch, TensorFlow, JAX, MXNet
1.076 Reinforcement Learning - Stable Baselines, Ray RLlib
1.077 AutoML - auto-sklearn vs TPOT vs H2O
1.078 Feature Engineering - Featuretools, tsfresh
1.079 Model Interpretation - SHAP vs LIME

1.080-089: Geometric & Spatial Algorithms#

Completed: 2/11

✅ 1.080 Image Processing - OpenCV, scikit-image, Pillow
- ✅ 1.080.1 QR Code Generation - qrcode, segno, pyqrcode
1.081 Convex Hull - Graham scan, Jarvis march
1.082 Voronoi & Delaunay - scipy.spatial, triangle
1.083 Point Cloud Processing - Open3D, PCL bindings
1.084 Mesh Processing - Trimesh, PyMesh
1.085 Collision Detection - Shapely, SAT algorithms
1.086 Path Planning - RRT, PRM, A* for robotics
1.087 Geographic Libraries - GeoPy, geopandas, Folium
1.088 Coordinate Transformation - pyproj, utm
1.089 Spatial Indexing - H3, S2, Geohash

1.090-099: Specialized Algorithm Domains#

Completed: 3/15

1.090 Bioinformatics - Sequence alignment, BLAST, BioPython
1.091 Computer Vision (category)
- 1.091.1 Object Detection - YOLO, Detectron2, MMDetection
- ✅ 1.091.2 Face Detection - MediaPipe, Dlib, InsightFace
- 1.091.3 OCR - Tesseract, EasyOCR, PaddleOCR
- 1.091.4 Scene Detection / Video Segmentation - PySceneDetect, TransNetV2
1.092 Signal Processing - scipy.signal vs librosa
- 1.092.1 Audio Processing - librosa, pydub, audioread
1.093 Quantum Computing - Qiskit vs Cirq vs Pennylane
✅ 1.094 Constraint Solving - Z3, OR-Tools, PySMT
1.095 Game Theory & Auctions - Nashpy, game theory solvers
✅ 1.096 Scheduling - APScheduler, schedule, Airflow
1.097 Recommendation Systems - Surprise, LightFM, Implicit
1.098 Voting & Consensus - Social choice algorithms
1.099 Distributed Algorithms - Raft, Paxos implementations

1.100-109: Text & Document Processing#

Completed: 5/13

✅ 1.100 Text Processing - Regex, string manipulation, NLP utilities
✅ 1.101 PDF Processing - ReportLab, WeasyPrint, PyPDF2
✅ 1.102 Document Parsing - python-docx, openpyxl, pandas Excel
✅ 1.103 Markdown Processing - Python-Markdown, Mistune, markdown-it-py, CommonMark
1.104 Syntax Highlighting - Pygments, highlight.js
- ✅ 1.104.1 Code Parsing & AST - libcst, ast, redbaron
- ✅ 1.104.2 Code Formatting - Code formatting and linting libraries for Python and JavaScript/TypeScript. Black, ruff, autopep8, Prettier, ESLint.
1.105 Translation & i18n - gettext, Babel, i18next
✅ 1.106 Speech Recognition & TTS - Whisper, Coqui, Piper
- 1.106.1 Speaker Diarization - pyannote, NeMo, who’s talking
1.107 OCR Libraries - Tesseract, EasyOCR
1.108 Spell Checking - SymSpell, LanguageTool
1.109 Content Extraction - BeautifulSoup, Scrapy, newspaper3k

1.110-119: User Interface & Frontend#

Completed: 12/16

✅ 1.110 Frontend Frameworks - React, Vue, Svelte, Angular
- 1.110.1 React Meta-Frameworks - Next.js, Remix, Gatsby
- 1.110.2 Vue Meta-Frameworks - Nuxt, VitePress
- 1.110.3 Svelte Meta-Frameworks - SvelteKit
- ✅ 1.110.4 Browser Python Execution
- ✅ 1.110.5 Static Site Generators - Hugo, Docusaurus, MkDocs, Jekyll
✅ 1.111 State Management - Redux, Zustand, Jotai, Pinia
✅ 1.112 CSS Frameworks - Tailwind, Bootstrap, Material UI
✅ 1.113 UI Component Libraries - shadcn/ui, Radix, Headless UI
✅ 1.114 Build Tools - Vite, Webpack, Turbopack, esbuild
✅ 1.115 Form & Validation - React Hook Form, Zod, Yup
✅ 1.116 Data Visualization - D3.js, Chart.js, Recharts
✅ 1.117 Animation - Framer Motion, GSAP, React Spring, Lottie
✅ 1.118 Testing - Jest, Vitest, Playwright, Cypress
✅ 1.119 Mobile Frameworks - React Native, Flutter, .NET MAUI, Ionic
- 1.119.1 NFC Libraries - iOS CoreNFC, Android NDEF, react-native-nfc-manager, Web NFC
- 1.119.2 Push Notification Libraries - ntfy, Gotify, UnifiedPush, expo-notifications, Web Push/VAPID

1.120-129: Simulation & Modeling#

Completed: 3/11

✅ 1.120 Discrete Event Simulation - SimPy, Salabim, Mesa
- 1.120.1 Network Protocol Simulation - ns-3, Shadow, Mininet for adversarial/Sybil testing
1.121 Agent-Based Modeling - Mesa, FLAME, Repast
✅ 1.122 Monte Carlo Simulation - scipy.stats, pymc
1.123 System Dynamics - PySD, BPTK-Py
1.124 Continuous Simulation - scipy.integrate, FEniCS
1.125 Network Simulation - ns-3, Mininet
1.126 Traffic Simulation - SUMO, MATSim
✅ 1.127 Financial Simulation - QuantLib, vectorbt
1.128 Physics Simulation - PyBullet, MuJoCo, Gazebo
1.129 Hybrid Simulation - Discrete + continuous combined

1.130-139: Business Application Platforms (Self-Hosted)#

Completed: 2/10

✅ 1.130 Self-Hosted CRM - Twenty CRM, Odoo, SuiteCRM
✅ 1.131 Project Management - Plane, Taiga, OpenProject
1.132 Collaboration - Nextcloud, Mattermost, Rocket.Chat
1.133 Documentation - BookStack, Wiki.js, Outline
1.134 E-Commerce - WooCommerce, Magento, Saleor
1.135 Analytics - Matomo, Plausible, Umami, PostHog
1.136 DevOps - GitLab, Gitea, Jenkins, Drone
1.137 Customer Support - Chatwoot, Zammad, Freescout
1.138 Marketing Automation - Mautic, Listmonk
1.139 Accounting/ERP - Odoo, ERPNext, Dolibarr

1.140-149: Language Learning & Linguistics#

Completed: 8/14

✅ 1.140 Classical Languages - CLTK, pyLatinam, PyWORDS
✅ 1.141 Spaced Repetition - SM-2, SM-18, FSRS algorithms
✅ 1.142 Flashcard Systems - Anki, genanki, AnkiConnect
1.143 Language Detection - langdetect, polyglot, fastText
1.144 Phonetics - IPA transcription, eSpeak, Forvo API
- ✅ 1.144.1 Pinyin/Zhuyin Conversion - pypinyin, dragonmapper, pinyin
- ✅ 1.144.2 Tone Analysis - librosa, praatio, pitch detection, tone sandhi
1.145 Grammar Checking - LanguageTool, GrammarBot
1.146 Vocabulary Databases - WordNet, ConceptNet, Wiktionary
1.147 Language Corpora - Brown Corpus, CoNLL datasets
✅ 1.148 Morphological Analysis - SudachiPy, pymorphy3, UDPipe
- ✅ 1.148.1 Chinese Morphological Analysis - HanLP, Stanza, LTP, cjklib
- ✅ 1.148.2 Classical Chinese Parsing - Stanford CoreNLP, ctext.org tools, Kanbun
1.149 SLA Tools - CEFR assessment, proficiency testing

1.150-159: Reading & Text Analysis (Language Learning)#

Completed: 3/15

1.150 Classical Text Corpora - Perseus, PHI5/PHI7, Latin Library
1.151 Vocabulary Frequency - DCC Core, Dickinson College
1.152 Reading Difficulty & Readability - Flesch-Kincaid, lexical coverage, i+1 detection
- ✅ 1.152.1 CJK Readability - Character frequency, HSK/TOCFL levels, graded readers
1.153 Sentence Parsing - Universal Dependencies parsers, Stanza, syntax trees
- ✅ 1.153.1 Chinese Dependency Parsing - UD Chinese, Stanford CoreNLP, HanLP
1.154 Graded Reader Generation - Text leveling, vocab substitution
- ✅ 1.154.1 Chinese Text Simplification - MCTS dataset, neural approaches
1.155 Parallel Text Alignment - Latin-English, sentence alignment
1.156 Text Annotation UI - Glossing, interlinear display
1.157 Reading Comprehension - Question generation, validation
1.158 Vocabulary Tracking - Learning curves, retention modeling
1.159 Adaptive Recommendation - Personalized difficulty

1.160-169: Character-Based Writing Systems (CJK)#

Completed: 7/8

✅ 1.160 Character Databases - Unihan, CHISE, IDS, CJKVI
✅ 1.161 Radical & Component Analysis - Character decomposition, semantic components
✅ 1.162 Handwriting Recognition (CJK) - Zinnia, Tegaki, Google Cloud Vision, Azure
✅ 1.163 Character Encoding - Big5, GB2312, GBK, GB18030, Unicode CJK
✅ 1.164 Traditional ↔ Simplified Conversion - OpenCC, HanziConv, zhconv-rs
✅ 1.165 Stroke Order & Writing (CJK) - Make Me a Hanzi, KanjiVG, animCJK
✅ 1.166 OCR (CJK-specific) - Tesseract, PaddleOCR, EasyOCR
1.167-1.169 Available for future use

1.170-179: Translation & Alignment#

Completed: 4/7

✅ 1.170 Machine Translation APIs - DeepL, Google Translate, Azure Translator, Amazon Translate
✅ 1.171 Sentence Alignment - Hunalign, Bleualign, vecalign
✅ 1.172 Translation Memory - TMX format, OmegaT, MemoQ
✅ 1.173 Terminology Extraction - KeyBERT, PyATE, YAKE, spaCy
1.174 Computer-Assisted Translation - CAT tool comparison
1.175 Literary Translation Tools - Context-aware translation
1.175-1.179 Available for future use

1.180-189: Database Libraries#

Completed: 11/11

✅ 1.180 Python ORMs - SQLAlchemy, Django ORM, SQLModel, Tortoise ORM
✅ 1.181 Database Migration - Alembic, Django migrations, Flyway
✅ 1.182 Database Diff & Schema Comparison - Atlas, skeema, migra
✅ 1.183 Database Testing - pytest fixtures, testcontainers, factory_boy
✅ 1.184 Connection Pool Libraries - SQLAlchemy pool, pgBouncer, HikariCP
✅ 1.185 Query Builder Libraries - SQLAlchemy Core, Knex.js, jOOQ
- ✅ 1.185.1 Database Schema Inspection - SQLAlchemy, Alembic
✅ 1.186 Time-Series Databases - TimescaleDB, InfluxDB, QuestDB
✅ 1.187 Embedded Databases - SQLite, DuckDB, LevelDB
✅ 1.188 Version-Controlled Databases - Dolt, TerminusDB, lakeFS
✅ 1.189 Database Observability - pg_stat_statements, pgBadger, PMM

1.190-199: Knowledge & Content Engineering#

Completed: 0/4

1.190 Knowledge Graph Construction - Building concept maps from extracted text
1.191 Corpus Analysis & Text Mining - Large document collection analysis
1.192 Book/Publishing Pipeline - Pandoc, Bookdown, manuscript-to-print
1.193 Digital Asset Management - Organizing large timestamped media collections
1.194-1.199 Available for future use

1.200-219: LLM & AI Stack#

Completed: 11/12

✅ 1.200 LLM Orchestration - LangChain, LlamaIndex, RAG
✅ 1.201 LLM Agent Frameworks - AutoGen, CrewAI, MetaGPT
1.202 Prompt Engineering - DSPy, guidance, LMQL
✅ 1.203 Vector Databases - ChromaDB, Pinecone, Qdrant
✅ 1.204 RAG Pipelines - Document loading, chunking, retrieval
✅ 1.205 LLM Evaluation - RAGAS, DeepEval, PromptFoo
✅ 1.206 RAG Chunking Patterns - Semantic, sliding window, hierarchical strategies
✅ 1.207 LLM Observability & Tracing - LangSmith, Helicone, LangFuse
✅ 1.208 Fine-tuning frameworks - Axolotl, LLaMA Factory, Unsloth, PEFT
✅ 1.209 Local LLM Serving - Ollama, vLLM, llama.cpp
✅ 1.210 Multilingual & CJK LLMs - BLOOM, XLM-RoBERTa, mBERT, ERNIE
✅ 1.211 CJK Embedding Models - M3E, text2vec-chinese, LaBSE, multilingual-e5

1.220-229: Calendar & Scheduling#

Completed: 8/8

✅ 1.220 CalDAV/iCalendar - icalendar, caldav, vobject
✅ 1.221 JavaScript Calendar UI - FullCalendar, Schedule-X, EventCalendar, tui.calendar
✅ 1.222 Calendar Aggregation - ical.js, tsdav, mergecal, recurring-ical-events
✅ 1.223 CalDAV Server Libraries - Radicale, Xandikos, custom CalDAV backends
✅ 1.224 Timezone Handling - pytz, zoneinfo, dateutil, Luxon, Temporal API
✅ 1.225 Meeting Scheduling - cal.com, Rallly, Easy!Appointments, CalDAV scheduling
✅ 1.226 Calendar Visualization - frappe-gantt, vis-timeline, cal-heatmap, echarts
✅ 1.227 Calendar Internationalization - Hijri, Jalali, Hebrew, CJK, ICU4X, CLDR