Getting Started
Working On Firefox
Source Code Documentation
The Firefox Build System
Testing & Test Infrastructure
Localization & Internationalization
Firefox and Python
Metrics Collected in Firefox
mach
mach.base
mach.commands
mach.config
mach.decorators
mach.dispatcher
mach.logging
mach.main
mach.mixin
mach.mixin.logging
mach.mixin.process
mach.registrar
mach.sentry
mach.telemetry
mach.terminal
mach.test
mach.test.conftest
mach.test.providers
mach.test.providers.basic
mach.test.providers.commands
mach.test.providers.conditions
mach.test.providers.throw
mach.test.providers.throw2
mach.test.test_commands
mach.test.test_conditions
mach.test.test_config
mach.test.test_dispatcher
mach.test.test_entry_point
mach.test.test_error_output
mach.test.test_logger
mach.test.test_mach
mach.util
manifestparser
manifestparser.filters
marionette_driver
marionette_driver.addons
marionette_driver.by
marionette_driver.date_time_value
marionette_driver.decorators
marionette_driver.errors
marionette_driver.expected
marionette_driver.geckoinstance
marionette_driver.keys
marionette_driver.localization
marionette_driver.marionette
marionette_driver.timeout
marionette_driver.transport
marionette_driver.wait
mod_pywebsocket
mod_pywebsocket.common
mod_pywebsocket.dispatch
mod_pywebsocket.extensions
mod_pywebsocket.handshake
mod_pywebsocket.http_header_util
mod_pywebsocket.memorizingfile
mod_pywebsocket.msgutil
mod_pywebsocket.request_handler
mod_pywebsocket.server_util
mod_pywebsocket.standalone
mod_pywebsocket.stream
mod_pywebsocket.util
mod_pywebsocket.websocket_server
mozboot
mozboot.mozconfig
mozbuild
mozbuild.action
mozbuild.action.buildlist
mozbuild.action.download_wpt_manifest
mozbuild.action.dump_env
mozbuild.action.dumpsymbols
mozbuild.action.exe_7z_archive
mozbuild.action.exe_7z_extract
mozbuild.action.fat_aar
mozbuild.action.file_generate
mozbuild.action.generate_symbols_file
mozbuild.action.install
mozbuild.action.jar_maker
mozbuild.action.l10n_merge
mozbuild.action.langpack_manifest
mozbuild.action.make_dmg
mozbuild.action.make_unzip
mozbuild.action.make_zip
mozbuild.action.node
mozbuild.action.package_generated_sources
mozbuild.action.preprocessor
mozbuild.action.process_define_files
mozbuild.action.process_install_manifest
mozbuild.action.symbols_archive
mozbuild.action.tooltool
mozbuild.action.unify_symbols
mozbuild.action.unify_tests
mozbuild.action.unpack_dmg
mozbuild.action.util
mozbuild.action.webidl
mozbuild.action.wrap_rustc
mozbuild.action.xpccheck
mozbuild.action.zip
mozbuild.analyze
mozbuild.analyze.hg
mozbuild.android_version_code
mozbuild.artifact_builds
mozbuild.artifact_cache
mozbuild.artifact_commands
mozbuild.artifacts
mozbuild.backend
mozbuild.backend.base
mozbuild.backend.cargo_build_defs
mozbuild.backend.clangd
mozbuild.backend.common
mozbuild.backend.configenvironment
mozbuild.backend.cpp_eclipse
mozbuild.backend.fastermake
mozbuild.backend.mach_commands
mozbuild.backend.make
mozbuild.backend.recursivemake
mozbuild.backend.static_analysis
mozbuild.backend.test_manifest
mozbuild.backend.visualstudio
mozbuild.base
mozbuild.build_commands
mozbuild.chunkify
mozbuild.code_analysis
mozbuild.code_analysis.mach_commands
mozbuild.code_analysis.utils
mozbuild.codecoverage
mozbuild.codecoverage.chrome_map
mozbuild.codecoverage.lcov_rewriter
mozbuild.codecoverage.manifest_handler
mozbuild.codecoverage.packager
mozbuild.compilation
mozbuild.compilation.codecomplete
mozbuild.compilation.database
mozbuild.compilation.util
mozbuild.compilation.warnings
mozbuild.config_status
mozbuild.configure
mozbuild.configure.check_debug_ranges
mozbuild.configure.constants
mozbuild.configure.help
mozbuild.configure.libstdcxx
mozbuild.configure.lint
mozbuild.configure.options
mozbuild.configure.util
mozbuild.controller
mozbuild.controller.building
mozbuild.controller.clobber
mozbuild.dotproperties
mozbuild.frontend
mozbuild.frontend.context
mozbuild.frontend.data
mozbuild.frontend.emitter
mozbuild.frontend.gyp_reader
mozbuild.frontend.mach_commands
mozbuild.frontend.reader
mozbuild.frontend.sandbox
mozbuild.gen_test_backend
mozbuild.generated_sources
mozbuild.gn_processor
mozbuild.html_build_viewer
mozbuild.jar
mozbuild.mach_commands
mozbuild.makeutil
mozbuild.mozconfig
mozbuild.mozinfo
mozbuild.nodeutil
mozbuild.preprocessor
mozbuild.pythonutil
mozbuild.repackaging
mozbuild.repackaging.application_ini
mozbuild.repackaging.dmg
mozbuild.repackaging.installer
mozbuild.repackaging.mar
mozbuild.repackaging.msi
mozbuild.schedules
mozbuild.shellutil
mozbuild.sphinx
mozbuild.telemetry
mozbuild.test
mozbuild.test.backend
mozbuild.test.backend.common
mozbuild.test.backend.test_build
mozbuild.test.backend.test_configenvironment
mozbuild.test.backend.test_database
mozbuild.test.backend.test_fastermake
mozbuild.test.backend.test_gn_processor
mozbuild.test.backend.test_partialconfigenvironment
mozbuild.test.backend.test_recursivemake
mozbuild.test.backend.test_test_manifest
mozbuild.test.backend.test_visualstudio
mozbuild.test.common
mozbuild.test.compilation
mozbuild.test.compilation.test_warnings
mozbuild.test.controller
mozbuild.test.controller.test_ccachestats
mozbuild.test.controller.test_clobber
mozbuild.test.frontend
mozbuild.test.frontend.test_context
mozbuild.test.frontend.test_emitter
mozbuild.test.frontend.test_namespaces
mozbuild.test.frontend.test_reader
mozbuild.test.frontend.test_sandbox
mozbuild.test.test_android_version_code
mozbuild.test.test_artifact_cache
mozbuild.test.test_base
mozbuild.test.test_containers
mozbuild.test.test_dotproperties
mozbuild.test.test_expression
mozbuild.test.test_jarmaker
mozbuild.test.test_licenses
mozbuild.test.test_line_endings
mozbuild.test.test_makeutil
mozbuild.test.test_manifest
mozbuild.test.test_mozconfig
mozbuild.test.test_mozinfo
mozbuild.test.test_preprocessor
mozbuild.test.test_pythonutil
mozbuild.test.test_telemetry
mozbuild.test.test_util
mozbuild.test.test_util_fileavoidwrite
mozbuild.testing
mozbuild.toolchains
mozbuild.util
mozbuild.vendor
mozbuild.vendor.host_github
mozbuild.vendor.host_gitlab
mozbuild.vendor.host_googlesource
mozbuild.vendor.mach_commands
mozbuild.vendor.moz_yaml
mozbuild.vendor.vendor_manifest
mozbuild.vendor.vendor_python
mozbuild.vendor.vendor_rust
mozbuild.virtualenv
mozcrash
mozdebug
mozdevice
mozfile
mozhttpd
mozinfo
mozinstall
mozlint
mozlint.cli
mozlint.editor
mozlint.errors
mozlint.formatters
mozlint.formatters.compact
mozlint.formatters.stylish
mozlint.formatters.summary
mozlint.formatters.treeherder
mozlint.formatters.unix
mozlint.parser
mozlint.pathutils
mozlint.result
mozlint.roller
mozlint.types
mozlint.util
mozlint.util.implementation
mozlint.util.string
mozlog
mozlog.commandline
mozlog.formatters.base
mozlog.formatters.html
mozlog.formatters.machformatter
mozlog.formatters.tbplformatter
mozlog.formatters.unittest
mozlog.formatters.xunit
mozlog.handlers
mozlog.proxy
mozlog.reader
mozlog.structuredlog
moznetwork
mozpack
mozpack.archive
mozpack.chrome
mozpack.chrome.flags
mozpack.chrome.manifest
mozpack.copier
mozpack.dmg
mozpack.errors
mozpack.executables
mozpack.files
mozpack.manifests
mozpack.mozjar
mozpack.packager
mozpack.packager.formats
mozpack.packager.l10n
mozpack.packager.unpack
mozpack.path
mozpack.test
mozpack.test.test_archive
mozpack.test.test_chrome_flags
mozpack.test.test_copier
mozpack.test.test_errors
mozpack.test.test_files
mozpack.test.test_manifests
mozpack.test.test_mozjar
mozpack.test.test_packager
mozpack.test.test_path
mozpack.test.test_unify
mozpack.unify
mozpower
mozprocess
mozprofile
mozprofile.addons
mozprofile.cli
mozprofile.permissions
mozprofile.prefs
mozprofile.profile
mozrunner
mozrunner.runners
mozversion
mozversioncontrol
mozversioncontrol.repoupdate
mozwebidlcodegen
taskgraph
taskgraph.actions
taskgraph.actions.add_new_jobs
taskgraph.actions.add_talos
taskgraph.actions.backfill
taskgraph.actions.cancel
taskgraph.actions.cancel_all
taskgraph.actions.create_interactive
taskgraph.actions.gecko_profile
taskgraph.actions.isolate_test
taskgraph.actions.merge_automation
taskgraph.actions.openh264
taskgraph.actions.purge_caches
taskgraph.actions.registry
taskgraph.actions.release_promotion
taskgraph.actions.retrigger
taskgraph.actions.retrigger_custom
taskgraph.actions.run_missing_tests
taskgraph.actions.scriptworker_canary
taskgraph.actions.util
taskgraph.config
taskgraph.create
taskgraph.decision
taskgraph.files_changed
taskgraph.filter_tasks
taskgraph.generator
taskgraph.graph
taskgraph.loader
taskgraph.loader.multi_dep
taskgraph.loader.single_dep
taskgraph.loader.test
taskgraph.loader.transform
taskgraph.morph
taskgraph.optimize
taskgraph.optimize.backstop
taskgraph.optimize.bugbug
taskgraph.optimize.schema
taskgraph.optimize.strategies
taskgraph.parameters
taskgraph.target_tasks
taskgraph.task
taskgraph.taskgraph
taskgraph.test
taskgraph.test.conftest
taskgraph.test.test_actions_util
taskgraph.test.test_create
taskgraph.test.test_decision
taskgraph.test.test_files_changed
taskgraph.test.test_generator
taskgraph.test.test_graph
taskgraph.test.test_morph
taskgraph.test.test_optimize
taskgraph.test.test_optimize_strategies
taskgraph.test.test_parameters
taskgraph.test.test_target_tasks
taskgraph.test.test_taskcluster_yml
taskgraph.test.test_taskgraph
taskgraph.test.test_transforms_base
taskgraph.test.test_try_option_syntax
taskgraph.test.test_util_attributes
taskgraph.test.test_util_backstop
taskgraph.test.test_util_bugbug
taskgraph.test.test_util_chunking
taskgraph.test.test_util_parameterization
taskgraph.test.test_util_python_path
taskgraph.test.test_util_runnable_jobs
taskgraph.test.test_util_schema
taskgraph.test.test_util_taskcluster
taskgraph.test.test_util_templates
taskgraph.test.test_util_time
taskgraph.test.test_util_treeherder
taskgraph.test.test_util_verify
taskgraph.test.test_util_yaml
taskgraph.transforms
taskgraph.transforms.balrog_toplevel
taskgraph.transforms.base
taskgraph.transforms.beetmover_repackage_l10n
taskgraph.transforms.beetmover_snap
taskgraph.transforms.beetmover_source
taskgraph.transforms.bouncer_check
taskgraph.transforms.bouncer_locations
taskgraph.transforms.build
taskgraph.transforms.build_attrs
taskgraph.transforms.build_fat_aar
taskgraph.transforms.build_lints
taskgraph.transforms.build_signing
taskgraph.transforms.cached_tasks
taskgraph.transforms.chunk_partners
taskgraph.transforms.code_review
taskgraph.transforms.copy_attributes_from_dependent_task
taskgraph.transforms.fetch
taskgraph.transforms.final_verify
taskgraph.transforms.github_sync
taskgraph.transforms.iris
taskgraph.transforms.mac_notarization_poller
taskgraph.transforms.mar_signing
taskgraph.transforms.maybe_release
taskgraph.transforms.merge_automation
taskgraph.transforms.name_sanity
taskgraph.transforms.openh264
taskgraph.transforms.partials
taskgraph.transforms.partner_attribution
taskgraph.transforms.partner_repack
taskgraph.transforms.partner_signing
taskgraph.transforms.per_platform_dummy
taskgraph.transforms.perftest
taskgraph.transforms.python_update
taskgraph.transforms.raptor
taskgraph.transforms.release
taskgraph.transforms.release_deps
taskgraph.transforms.release_flatpak_repackage
taskgraph.transforms.release_generate_checksums
taskgraph.transforms.release_mark_as_shipped
taskgraph.transforms.release_notifications
taskgraph.transforms.release_snap_repackage
taskgraph.transforms.release_started
taskgraph.transforms.release_version_bump
taskgraph.transforms.repackage_l10n
taskgraph.transforms.repackage_routes
taskgraph.transforms.repo_update
taskgraph.transforms.reverse_chunk_deps
taskgraph.transforms.run_pgo_profile
taskgraph.transforms.scriptworker
taskgraph.transforms.scriptworker_canary
taskgraph.transforms.shippable_l10n_signing
taskgraph.transforms.spidermonkey
taskgraph.transforms.strip_dependent_task
taskgraph.transforms.tests
taskgraph.transforms.try_job
taskgraph.transforms.update_verify
taskgraph.transforms.upload_generated_sources
taskgraph.transforms.upload_symbols
taskgraph.transforms.upstream_artifact_task
taskgraph.transforms.visual_metrics
taskgraph.transforms.visual_metrics_dep
taskgraph.try_option_syntax
taskgraph.util
taskgraph.util.attributes
taskgraph.util.backstop
taskgraph.util.bugbug
taskgraph.util.cached_tasks
taskgraph.util.chunking
taskgraph.util.declarative_artifacts
taskgraph.util.hash
taskgraph.util.hg
taskgraph.util.keyed_by
taskgraph.util.parameterization
taskgraph.util.partials
taskgraph.util.partners
taskgraph.util.perfile
taskgraph.util.platforms
taskgraph.util.python_path
taskgraph.util.schema
taskgraph.util.scriptworker
taskgraph.util.signed_artifacts
taskgraph.util.taskcluster
taskgraph.util.taskgraph
taskgraph.util.templates
taskgraph.util.time
taskgraph.util.treeherder
taskgraph.util.verify
taskgraph.util.workertypes
taskgraph.util.yaml