List of SQLite Code-related Knowledge

1. https://github.com/LMDB/sqlightning
2. https://www.openldap.org/pub/hyc/mdb-paper.pdf
3. https://github.com/btrask/sqlheavy
4. https://sqlite.org/src4/tree?ci=trunk
5. https://bintray.com/version/files/homebrew/mirror/berkeley-db/18.1.32
6. https://fossies.org/linux/misc/db-18.1.32.tar.gz
7. https://github.com/rqlite/rqlite
8. https://github.com/Expensify/Bedrock
9. https://github.com/bloomberg/comdb2
10. https://github.com/kripken/sql.js/
11. https://github.com/biokoda/actordb
12. https://github.com/wal-g/wal-g
13. https://github.com/gdev2018/sqlite3odbc
14. https://www.gaia-gis.it/fossil/libspatialite/index
15. https://github.com/gigimushroom/DatabaseBackendEngine

List of MVCC-capable KV store-related Knowledge

1. https://github.com/LMDB/
2. https://bintray.com/version/files/homebrew/mirror/berkeley-db/18.1.40
3. https://github.com/btrask/libkvstore
4. https://github.com/bloomberg/comdb2
5. https://github.com/malbrain/database/wiki
6. https://github.com/dgraph-io/badger

List of On-disk SQLite Format-related Knowledge

1. https://www.sciencedirect.com/science/article/pii/S1742287618300471
2. https://github.com/fastogt/fastonosql
3. https://github.com/inflex/undark
4. https://github.com/mdegrazia/SQLite-Deleted-Records-Parser

List of Relevant SQL Checksumming-related Knowledge

1. https://www.cs.utexas.edu/~vijay/papers/apsys17-sqlite.pdf
2. https://www.sqlite.org/sqllogictest/doc/trunk/about.wiki
3. https://github.com/sqlite/sqlite/tree/master/test
4. https://github.com/brianfrankcooper/YCSB/
5. https://github.com/greenrobot/android-database-performance
6. https://github.com/akopytov/sysbench
7. https://www.diva-portal.org/smash/get/diva2:736996/FULLTEXT01.pdf
8. https://pdfs.semanticscholar.org/c2da/33304627649b599f80a5428354e116ba6201.pdf
9. https://github.com/microsoft/sqlite-tracer
10. https://discuss.zetetic.net/t/sqlcipher-performance-optimization/14

List of Just a Few SQLite Encryption Projects

1. https://www.sqlite.org/see/doc/release/www/readme.wiki
2. https://github.com/sqlcipher/sqlcipher
3. https://github.com/resilar/sqleet
4. https://github.com/newsoft/sqlite3-dbx
5. https://github.com/darkman66/SQLite3-Encryption
6. https://github.com/utelle/wxsqlite3/

List of from-scratch MySQL SQL and MySQL Server implementations

1. https://github.com/Expensify/Bedrock
2. https://github.com/pingcap/tidb/
3. https://github.com/phpmyadmin/sql-parser
4. https://github.com/src-d/go-mysql-server
5. https://github.com/ClickHouse/ClickHouse/tree/146109fe27074229a38cd704d60f23ec7bd2ed67/base/mysqlxx