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Phoenix ELN
What it is
Phoenix ELN is a free, open-source electronic lab notebook for Windows, designed for organic, organometallic and peptide chemistry. Its protocols arrange reactants, reagents, solvents, comments, products, images and files in workflow order. Adding materials supplies stoichiometric details such as equivalents and millimoles. A self-learning materials database contains nearly 200 commonly used reagents, solvents and auxiliaries, with cross-checked molecular weights and densities. The integrated drawing editor supports organic, organometallic, peptide and resin-bound structures. Reaction substructure searches can cover local experiments, while an optional server database enables searches across finalized organizational experiments. The notebook runs without a server connection and supports offline access. An optional in-house server adds continuous backup and experiment sharing, with MySQL or MariaDB installation support. Protocols export to PDF/A-3b with inserted documents embedded as attachments; ZIP, JPEG, PNG and TIF are also listed.
For and against
For
- Free plan with no cost
- Works offline without a server
- Automatic stoichiometric calculations
- Nearly 200 materials in database
- PDF/A-3b protocol export
Against
- Windows target platform
- Organization-wide search needs optional server
- Commercial support excludes this project
The verdict
Phoenix ELN combines chemistry-focused protocol entry, stoichiometry, molecular drawing and searchable experiments at no cost. Its optional server extends collaboration, while the Windows-only target and separate support arrangement matter when choosing it.
Who it suits
It suits chemistry users who need a Windows notebook for structured experiment protocols, reaction searching and chemical drawing. It also fits organizations wanting optional shared searches, backups and experiment sharing.
Plans and prices
Phoenix ELN
Available at no cost to end users · Windows target platform
Read 8 Oct 2026 · chembytes.com
On the record
- Database integration
- The optional server package includes an installation script for a MySQL or MariaDB database.github.com · read 8 Oct 2026
- Experiment protocols
- Protocols can include reactants, reagents, solvents, comments, products, images and files arranged in workflow order.github.com · read 8 Oct 2026
- Materials database
- The built-in self-learning materials database comes with nearly 200 commonly used reagents, solvents and auxiliaries with cross-checked molecular weights and densities.chembytes.com · read 8 Oct 2026
- PDF export
- Protocols can be exported to PDF compliant with PDF/A-3b, and inserted documents are embedded as PDF attachments.github.com · read 8 Oct 2026
- Platform
- The project's README identifies Windows as the target platform.github.com · read 8 Oct 2026
- Purpose
- Phoenix ELN is an open-source electronic lab notebook suited for organic, organometallic and peptide chemistry.chembytes.com · read 8 Oct 2026
- Reaction editor
- The integrated drawing editor supports organic, organometallic, peptide and resin-bound structures.chembytes.com · read 8 Oct 2026
- Search
- Reaction substructure searches can search local experiments or, with the optional server database, finalized experiments across an organization.github.com · read 8 Oct 2026
- Server option
- Phoenix ELN runs without a server connection; an optional in-house server supports continuous backup, experiment sharing and organization-wide reaction searches.chembytes.com · read 8 Oct 2026
- Stoichiometry
- The application automatically supplies stoichiometric data such as equivalents and millimoles when materials are added to a protocol.github.com · read 8 Oct 2026
- Support
- The maker directs bug reports, feature suggestions and questions to the project's GitHub Issues and Discussions pages, and says ChemBytes support is for commercial software only.chembytes.com · read 8 Oct 2026
