Appendix: Open Source Community Forums
Directory of community forums, mailing lists, and communication channels for the open source projects that comprise the sovereign cloud stack. Use these channels to engage with developers, request features, report issues, and coordinate contributions.
Purpose: Before engaging, review each project's contribution guidelines.
Government engagement should be coordinated through the programme's Open Source Engagement team
to ensure consistent messaging. See Appendix: Community Outreach Templates
for recommended communication approaches.
Infrastructure as a Service (IaaS)
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| Apache CloudStack | AWS EC2, Azure VMs, GCP Compute | cloudstack.apache.org/mailing-lists | users@cloudstack.apache.org dev@cloudstack.apache.org Slack: cloudstack.slack.com |
github.com/apache/cloudstack |
| OpenStack | AWS EC2, Azure VMs, GCP Compute | lists.openstack.org | openstack-discuss@lists.openstack.org IRC: #openstack on OFTC |
opendev.org/openstack |
| Proxmox VE | VMware vSphere | forum.proxmox.com | pve-user@lists.proxmox.com pve-devel@lists.proxmox.com |
git.proxmox.com |
Container Orchestration
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| Kubernetes | EKS, AKS, GKE | discuss.kubernetes.io | kubernetes-dev@googlegroups.com Slack: kubernetes.slack.com |
github.com/kubernetes/kubernetes |
| K3s | EKS, AKS, GKE (lightweight) | forums.rancher.com | Slack: rancher-users.slack.com #k3s channel |
github.com/k3s-io/k3s |
| Rancher | EKS/AKS/GKE management | forums.rancher.com | Slack: rancher-users.slack.com | github.com/rancher/rancher |
Storage Services
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| MinIO | AWS S3, Azure Blob, GCS | slack.min.io | Slack: slack.min.io Community: min.io/community |
github.com/minio/minio |
| Ceph | S3, EBS, Azure Disk | ceph.io/community | ceph-users@ceph.io ceph-devel@ceph.io IRC: #ceph on OFTC |
github.com/ceph/ceph |
| SeaweedFS | S3, distributed storage | GitHub Discussions | Slack: seaweedfs.slack.com | github.com/seaweedfs/seaweedfs |
Database Services
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| PostgreSQL | RDS, Aurora, Cloud SQL | postgresql.org/list/ | pgsql-general@lists.postgresql.org pgsql-hackers@lists.postgresql.org IRC: #postgresql on Libera |
git.postgresql.org |
| MariaDB | RDS MySQL, Aurora MySQL | mariadb.org/community/ | maria-discuss@lists.mariadb.org Zulip: mariadb.zulipchat.com |
github.com/MariaDB/server |
| CockroachDB | Aurora, Spanner | forum.cockroachlabs.com | Slack: cockroachdb.slack.com | github.com/cockroachdb/cockroach |
| Redis / Valkey | ElastiCache, Azure Cache | Valkey GitHub Discussions | Valkey: valkey.io/community Discord: valkey.io/discord |
github.com/valkey-io/valkey |
Security & Identity
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| Keycloak | AWS Cognito, Azure AD, Okta | GitHub Discussions | keycloak-user@googlegroups.com keycloak-dev@googlegroups.com |
github.com/keycloak/keycloak |
| OpenBao | AWS KMS, Azure Key Vault | GitHub Discussions | Matrix: #openbao:matrix.org | github.com/openbao/openbao |
| Infisical | AWS Secrets Manager | Slack Community | Slack: infisical.com/slack | github.com/Infisical/infisical |
| cert-manager | ACM, Azure Certificates | cert-manager.io | Slack: kubernetes.slack.com #cert-manager | github.com/cert-manager/cert-manager |
Messaging & Event Streaming
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| Apache Kafka | AWS Kinesis, Azure Event Hubs | kafka.apache.org/contact | users@kafka.apache.org dev@kafka.apache.org Slack: confluentcommunity.slack.com |
github.com/apache/kafka |
| RabbitMQ | AWS SQS, Azure Service Bus | Discord Community | rabbitmq-users@googlegroups.com Discord: rabbitmq.com/discord |
github.com/rabbitmq/rabbitmq-server |
| NATS | SQS, SNS, Pub/Sub | Slack Community | Slack: natsio.slack.com | github.com/nats-io/nats-server |
Serverless / Functions as a Service
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| OpenFaaS | AWS Lambda, Azure Functions | GitHub Discussions | Slack: openfaas.slack.com | github.com/openfaas/faas |
| Knative | AWS Lambda, Cloud Run | knative.dev/community/ | Slack: knative.slack.com knative-users@googlegroups.com |
github.com/knative/serving |
| Apache OpenWhisk | AWS Lambda, Azure Functions | Slack Community | dev@openwhisk.apache.org Slack: openwhisk.slack.com |
github.com/apache/openwhisk |
API Gateway & Networking
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| Kong Gateway | AWS API Gateway, Azure APIM | discuss.konghq.com | Kong Nation: discuss.konghq.com | github.com/Kong/kong |
| Traefik | AWS ALB, Azure App Gateway | community.traefik.io | Slack: traefik.io/slack | github.com/traefik/traefik |
| Apache APISIX | AWS API Gateway | GitHub Discussions | Slack: apisix.apache.org dev@apisix.apache.org |
github.com/apache/apisix |
| Envoy | Service mesh, load balancing | envoyproxy.io/community | Slack: envoyproxy.io/slack | github.com/envoyproxy/envoy |
Observability & Monitoring
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| Prometheus | CloudWatch, Azure Monitor | prometheus.io/community/ | prometheus-users@googlegroups.com IRC: #prometheus on Libera |
github.com/prometheus/prometheus |
| Grafana | CloudWatch dashboards | community.grafana.com | Slack: grafana.slack.com | github.com/grafana/grafana |
| OpenSearch | Elasticsearch Service, CloudWatch Logs | forum.opensearch.org | Slack: opensearch.org/slack | github.com/opensearch-project/OpenSearch |
| Jaeger | X-Ray, Azure Monitor traces | jaegertracing.io | Slack: cloud-native.slack.com #jaeger jaeger-tracing@googlegroups.com |
github.com/jaegertracing/jaeger |
| Wazuh | AWS Security Hub, GuardDuty | Google Groups | Slack: wazuh.com/community wazuh@googlegroups.com |
github.com/wazuh/wazuh |
CI/CD & DevOps
| Component | Replaces | Primary Forum | Mailing List / Chat | GitHub / GitLab |
|---|---|---|---|---|
| GitLab CE | GitHub, AWS CodeCommit | forum.gitlab.com | Discord: discord.gg/gitlab | gitlab.com/gitlab-org/gitlab |
| Forgejo | GitHub (EU fork of Gitea) | Codeberg Issues | Matrix: #forgejo:matrix.org | codeberg.org/forgejo/forgejo |
| OpenTofu | Terraform, CloudFormation | GitHub Discussions | Slack: opentofu.org/slack | github.com/opentofu/opentofu |
| ArgoCD | AWS CodePipeline, Azure DevOps | GitHub Discussions | Slack: argoproj.slack.com | github.com/argoproj/argo-cd |
| Harbor | ECR, ACR, GCR | GitHub Discussions | Slack: cloud-native.slack.com #harbor | github.com/goharbor/harbor |
| Nexus Repository | CodeArtifact, Azure Artifacts | community.sonatype.com | nexus-users@googlegroups.com | github.com/sonatype/nexus-public |
Engagement Guidelines
Before Engaging
- Read the project's CONTRIBUTING.md and Code of Conduct
- Search existing issues/discussions before posting
- Coordinate with the programme's Open Source Engagement team
- Use the recommended templates for initial contact