Saya Anak Bangsa Malaysia (SABM) is holding a donation drive for the #pulangmengundi initiative. See here for details on ways to donate.
Bersih Sydney is currently providing subsidies for Malaysian international students to travel back to Malaysia. You can claim A$100 to travel back to Malaysia. See here for details, and ways to donate to this campaign.
Travel subsidies are available through private funds or NGO initiatives. However, ensure that you check out the initiative to ensure that it is a legitimate service, and not a scam.
Depending on your circumstances, you may need to do some research to find organisations that subsidise your trip up front. Some organisations might require you to pay for your travel before claiming your expenses with them.
These schemes are run entirely by donations from the public. It is good to consider donating your money to these organisations directly - this will ensure that these schemes are sustainable throughout the election period.
Generally, you will need to prove that you're a legitimate voter intending to go back to Malaysia to vote. However, different organisations have different ways of proving your identity and voter status. It is always good to call ahead and ask about their requirements. Most organisations will require you to send your: